Chevy cylinder head identification numbers. 5001 : 74 : 1971-73: 330862 : 400 : 1.

Chevy cylinder head identification numbers 2L engines all have rectangle port heads with the larger 257cc intake port volume. 1965 Chevy Biscayne 460cid, 10:1cr, Brodix RRO 270, "Old School" 229/241, AED 950 HO, Air Gap, 1-7/8 headers, 3" true dual exhaust ^^^ Did you read from the beginning or check out that link ? that IS the complete number of your peanut port cylinder head !!! The author of that link is totally wacko or just plain stupid. Although Chevy went to 3 character suffix codes in the 1970 model year. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads Chevy V8 SBC Block and Head Casting Numbers Chevy V8 BBC Block and Head Casting Numbers Chevy V8 "W" Motor 348-409 Casting Numbers Chevy V8 Crankshaft Casting Numbers Chevy V8 Crankshaft Journal Sizes Chevy V8 Bore and Stroke List Chevy V8 Notes SBC Crate Motors BBC Crate Motors SBC Cylinder Heads Holley Carb Information Holley Tuning Tips Some casting numbers are NOT listed as they may have been used in other models of the Chevrolet lineup but were NOT used in the Chevelle - such as the 1965 409cid heads #3830817 & #3852583 or 67 Camaro heads #3876775. & CANADIAN Chevrolet 1933 to 1942 CANADIAN Chevrolet; Menu item; Menu item; 1935 - 1941 Chevrolet Paint Charts; Menu item; Gallery; CHEVROLET 6-CYLINDER 216, 235 AND 261 CYLINDER BLOCK CASTING – The casting numbers for big-block Chevy cylinder heads are typically located in the rocker arm valley, and they can be found after removing the valve cover on the head. com. Technical Notes: This cylinder head has 64cc chambers. I’ve been diving into a restoration project for a classic Chevrolet big block engine, and I’ve come across a lot of casting numbers on the cylinder heads. 00 to 1 compression ratio in 1956, raised to 8. but with the LS engines you really need to look closer to find what exactly you have in front Look under the hood with CarTech Books’ complete cylinder heads guide for big-block Chevrolet engines. Wednesday Rewind: Small-Block Chevy Cylinder Head Casting Numbers. The cylinder head also contains casting numbers that can help identify which engine family or variant the head belongs to. Chevy SS / Holden Commodore; Corvette (C5) Z06; Corvette (C6) Z06; Corvette (C6) ZR1; Corvette (C7) Z06; Corvette (C7) ZR1; Trailblazer SS; Dodge. 88 exhaust Block & Cylinder Head Casting Numbers | Where To Find & How To | Chevrolet Small-BlockThis video should not be considered a ‘how to’ instructional video. com in the head identification page. Chevy smallblock and big block cylinder heads have the CASTING NUMBER and the CASTING DATE located in the rocker arm valley. Like what you read? Get the full book to learn more! The current “bad-boy” Bowtie race head is PN 12363425 (casting number 14044861), a bare head with 380-cc intakes and valve seats for 2. 1971 Heavy Chevy - original owner 1984 Riviera - original owner - Wife's car . Big Block Chevy Engine Parts Identification Mike Maciolek has put together a site that is packed with information about engine codes for both rats and mice. More tech info. it's possibly a 1974 engine. 5001 - 1971-76: 333881 : 350 The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. It is usually found on the top of the head in between two valves and the rocker arm studs. 02/1. The only difference between the two casting numbers was that the #3782461 featured a 160cc intake port and 62cc exhaust port while the #3782461X had the larger 172cc intake port and 64cc exhaust port. I was looking at replacement heads before I even took the valve cover off. I wasn't too impressed to see the GM casting along with the Hecho en Mexico Are these CYLINDER HEAD CASTING NUMBER IDENTIFICATION from Generator & Distributor June 1977 page 28 1917-19 338048 D V8 1922 381099 FB Three Port 1916-21 333776 For 1929 the casting number on the CYLINDER HEAD is 835503 and the Chevrolet part number for that cylinder head is 835674. The Block Casting Number is located at the back ledge of the block behind the driver-side cylinder head. The 65cc combustion chamber was a different design than the Big Block Chevy Cylinder Heads BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2. There is a 64 by the casting number. Have new rebuilt job with 1. crankshaftcoalition. 45" mains), and 400 blocks I go over some basics of Small and big block chevy block and cylinder head casting numbers, date codes, and suffix codes. the 882's seem slightly more open though Ford ohv v8 cylinder head casting numbers reference guideCylinder head block small chevy identification casting number vortec heads engine bow tie guide Chevy sb cylinder head id guideHead chevy heads block cylinder small identification casting 350 engine power pack 327 sbc numbers chevrolet number triangle truck chev. Outward facing side of SBC head. 125/1. See less See more 2 Save 1964. 72 1. He probably just did a Pontiac cylinder head id numbers — patterson coachworks. 88 exhaust google chevy motor identification with those numbers and go from there . I have 2 intakes but The intake bolt holes are a bit wider than the holes on the heads. ; Block Casting Date: This date code reveals when the engine block was cast, helping 330545: 1971 / 75: 350: 245, 250 hp: 1. intake valve exhaust valve; 032: 70cc: 1. Most heads have 1. Big block heads started with numbers only in April of 1984, but changed to alpha-numeric starting with BB 1 in August of Block Casting Number: Found on the engine block, this number indicates the engine’s displacement, production date, and casting plant. This casting has 118cc open combustion chambers that reduce shrouding at high valve lift and improve engine airflow. You are looking for engine code '8' engines in Camaro and base model Corvette. There are several ways to identify a Chevy inline-six engine, depending on the model and year of production. There Small Block Chevrolet Cylinder Head casting numbers /minuit10 / corvette /head chevy /corvette l82 The heads will need 2. 250 inch intake valve can be used. Part numbers are Intake Manifolds: The casting number can be found on the top surface, often near the carburetor mounting pad or at the back near the distributor. They were also used in a wide range of years so they could have the later model intake bolt pattern used with the TBI truck engines. They fit nicely on the heads but I have a 1/8 gap under the front and back. Not sure what the other two numbers are. 72: 1. 12480005 – LS Small Block V8 2000 LS1, GTZ, aluminum, 38cc chambers, 2. 107 posts · Joined 2008 Add to quote 79 to 86 350 chevy sam-missle . "Main Caps" is the number of bolts holding the cap. Look this number up on mortec. The most accurate way would be to remove the heads and take them to a machine shop that specializes in cylinder head identification. vortec heads reader identification guide Heads chevy head vortec block cylinder small vs guide gen identification sbc 350 engine casting markings chevrolet gm ls throwbackHead casting numbers sbc heads cylinder gm 1972 v8 cast 1964 chevellestuff chevelle they hot SBC Head Casting Numbers. No more guessing at swap meets or salvage yards. These numbers can help further narrow down an engine’s identity, especially when combined with block casting and date codes. 330864: ’68 through ’84 Big Block Chevy Cylinder Head Identification. 94 I and 1. 2) Prepping the Block With the old cylinder heads removed, inspect the Welcome to Justanswer. Chevrolet began using the double hump cylinder head design on its small block engines in 1962. 5001 74 This page has information on the 348 and 409 Chevrolet W-motor cylinder heads. Save Share Reply Quote Like. 88-inch valves. accueil engine code. These numbers are usually found on the side of the block or cylinder head and can be used to identify specific components Chevy small-block engine head casting numbers identify the model year, horsepower range, valve and chamber size and the size of the intake and exhaust ports. 2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads. Chevy cylinder head identification markings corvette visit result. Make. Move cursor over these links to see their location. The 840 head were made from mid 1967 to mid 1969. 32 cc). 1/1. Cylinder Head Casting Numbers. Chevy cylinder head casting bumbers Cylinder Head ID ? Jump to Latest The casting numbers are the best way to ID them but this may help you. Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences I have a set of Chevy heads with a casting number of 333882, with 1. Chevrolet Big CASTING NUMBER: CID. I found the casting number at Mortec, which said the heads could have either 1. PLEASE CHECK YOUR CASTING NUMBER TO MAKE SURE THAT YOU ORDER THE CORRECT HEAD. The intake ports were C3 Tech/Performance - Cylinder Head #83417369 - Hecho en Mexico? - My 80 came with a remanufactured 69 Vette motor and I finally got curious about the heads. Sources used include Alan Colvin's Chevrolet By the Numbers 1965-69 book, Jerry MacNeish's fact books, Chevrolet parts manuals, and Technical GM Inline 6 Identification. 94 : 1. 8410. Are there numbers on the heads? Thanks for any help you all can give! Brooks . Chevy engine serial number location includes: The front pad (near the cylinder head). It was only available as a 1. The cast number for this head is 14101083 or Small Block Chevy Cylinder Head Identification Small Block Chevy Cylinder Head Identification : Chevy Cylinder Head Casting Numbers : Years: Casting# CID: Intake Exhaust: CC : Comments : 1971-75: 330545 307,350 1. Reg: 01-30-02. Is the same as an earlier (1953-1955) head except for the method of attaching the temperature sender and the older ones having a 7. 75" 153: Two-piece seal blocks, int balance YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. Dart Iron Eagle 23° 170cc S/S Vortec Heads The L31 heads from the late-model 350 Vortec engine, introduced early in 1995, is the other type of cylinder head you need to look for on the used market. 60 ASCS / SUPR Series Cylinder Heads To Fit Chevy – Ford – Mopar; Serial Number Identification. 50 to 1 compression ratio. It's possible that you/or seller is misreading the casting number. 02-inch intake and 1. 60. I have a guy trying to sell me these heads 482824 rebuilt but i cant find the casting number on mortec website. 50, 600cfm edelbrock carb, Performer RPM intake, headers with Flowmaster 40 series mufflers This is for One, (1 head), Bare, Used Chevrolet SBC, (Small Block Chevy), Used Cylinder Head in Good Condition, (GM Casting Number 3973487 GM Group Number 0. php?title=SBC_cylinder_head_identification&oldid=3479139" Casting markings on the end of the Gen I cylinder heads, which help identify which casting the individual heads are. I know there;s a gap there but 1/8" seems to much. 19/1. Bobby Kimbrough brings the part numbers you'll need to know. 12558806 YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. Rectangle port LS3 style heads can be found on some truck engines as well. Casting Numbers to look For. These are the only 3 casting numbers in cylinder heads have a 1407 in the number. This means the bolt pattern on the end of the crankshaft was reduced to 3. IF YOU ARE UNSURE PLEASE CALL US AT 1-888-920-0052 . 9 KB Views: 3,915 1956, and 1957 Chevy owners and enthusiasts. The ‘X’ on the cylinder head is a 1/4”-hiigh letter an is cast on the underside of all’461 cylinder heads towards the lifter gallery. That’s why we have put together this short big-block Chevy head ID guide to help you identify that swap-meet gold. eBay Product ID (ePID) 671499987. Aluminum, LT5, ZR1, DOHC, 32-Valve, drivers Side. They might be stamped or cast into the metal, often on the top or side of the head. The cylinder head casting # is GM3835517, with a 16 below it, and CONV 12 and A 3 0 also in the valve cover area. Common Chevy Head Casting Symbols The 848 head came on the 1956-1962 engine. 50 valve head. Choose Group to View Cylinder Head Codes Select Cylinder Head Group ALL Head Codes 262, 265, 267 302, 305 or 307 302 Only 327 350 400 Re: 283 chevy head ID ? 02-25-06 09:16 PM - Post# 882285 In response to oldblu65 The best way to identify the heads is to pul 1 of the valve covers, and look for the # casted into head. txt) or read online for free. dhunt00c Discussion starter. 5" valves, 170cc intake runner volume, 64cc chambers, comes with C1 & C2 Corvettes - Are 3973487X heads any better than other large chamber SBC heads? - I pulled the intake and valve covers on my 72 C10 to fix some oil leaks. Chevy Small Block Cast Numbers. According to World Products, Ford models are the Windsor and Windsor Jr. Without taking the valve covers off and obtaining the foundry cast number in the rocker arm valley, is there any way to determine what kind of cylinder heads are on the block? I can tell you that there are Chevy Big Block Identification. These castings were originally equipped with 2. S. I was even more surprised that the heads were actually 265 Engine Number Identification. Like the block casting Whether you are an engine builder, drag racer, circle track racer, boat racer, road racer or a hobbyist doing a classic Chevrolet restoration, Mortec has information you can use, starting with our ever-popular Chevy casting number lists for small-block (SBC), big-block (BBC), and 348-409 V-8 engine blocks, cranks and heads. The casting number is located on the right of the head, between the second set of rocker studs. For more information about the 348/409 W-motor cylinder heads, select a head casting number from the drop down menu and click search This is a very complete list of numbers to help identify your Chevy engine block, heads and crankshaft. The numbers I read off the heads were the following: 8998998 R133 Searching for the 8998998 casting number Learn how to identify Chevy cylinder heads on your early cast iron, late model aluminum, or aftermarket and Vortec Chevy Small Block (SBC) with our Chevy cylinder head identification guide. This is a cast iron cylinder head assembly used on 285 hp 350 engine (P/N 12353641). This casting Decode the World Ford cylinder head identification numbers. 3836848. Choose Group to View Cylinder Head Codes Select Cylinder Head Group ALL Head Codes 262, 265, 267 302, 305 or 307 302 Only 327 350 400 Chevy 350 engine block identification numbers, including the casting number and date code, are vital for verifying specifications and parts compatibility. Cleaning for Visibility: – It’s important to note that there may be a significant amount of grease and debris covering the casting numbers, so cleaning may be necessary We've tried to boil down the GM part numbers, casting numbers and other LS cylinder head information into an easily usable (and ideally definitive) cross reference. 60 : over the counter 23 degree, angle plug, 196cc intake runner, aluminum : 10045434: 55 cc : Over the counter 15 degree, angle plug, raised runner, aluminum : 10051101: There will usually be a date code on the opposite side of the cylinder head face. 94 intake valve seat and 1. Years: Casting# CID: Intake Exhaust: CC : Comments : 1971-75: 330545 307,350 1. These numbers are found after removing the valve LOOK & CHECK your engine ID Number - - on the 'pad' by your distributor . com, Small Block Chevy Engine Block Identification General Engine Block Specifications While 6 different bore size blocks have been produced, the small block engine can be classified into 3 bore sizes and 3 main bearing sizes. any Chevrolet Big Block Casting Number Location. casting # chamber vol. View Big Block Cylinder Head Codes Select BB Cylinder Head Group ALL Head Codes 348/409 366 396/402 427 454 502 The success of these heads cause every Chevy cylinder head with the double hump casting identifier to be referred to as fuelie heads for an entire generation of hot rodders. 3" or 2. GM Chevy GMC Buick 2. Casting. This code is comprised of most typically three digits followed by two paired digits and a spaced number. 32 CC . Closed-chamber cylinder heads have small combustion chamber volumes for high compression ratios, with even mildly domed How to decode and identify a small block chevy engine Small Block Chevy Engine Identification Menu: Engine Summary | Engine RPO | Engine Blocks | Cylinder Heads | SBC Factory Cams | Crankshafts | Pistons | Small Block Chevy Flexplate Part Numbers. Bolt the headers to the cylinder head and check for any interference. 216. The cylinder head casting number is the single most important identifying feature on a head because, just like the block casting number, it will probably be the last characteristic to be altered or Chevy Forums FREE technical assistance for your restoration and repair. 72-inch exhaust valves. Camaro, Corvette even Stovebolts can be found here. Closed-chamber cylinder heads have small combustion chamber The Head Casting number is located outside of the Valve Cover in plain site on the Drivers Side. 3" main), 302/327/350 blocks (4" bore, 2. 60-inch exhaust valves, often called "fuelie" heads Last revision: 12/2/1998 - Reformatting head CC info Author: MadMike Maciolek Big Block Chevy Cylinder Heads Open vs. Engine ID Pad: This pad is usually found on the front Purpose: Head casting symbols help you identify the manufacturer’s part number, production date, and specifications of the engine head. 1) Cylinder Head Removal Consult your shop manual for the proper cylinder head removal procedure for your vehicle. Small Block Ford Engine Block Identification. 06- and 1. Both 1930 and 1931 used the same cylinder head so With small-block Chevy cylinder heads, it's hard to tell the snoozers from the cruisers. 88-inch exhaust Finally, we have found a listing of the GM casting numbers 6 cylinders from 1929-1989. It should be on the top lip of the transmission mounting flange. Four bolt main blocks are desirable in high I just pulled the valve covers off my engine to identify the cylinder heads. Small Block Casting numbers. Thank you! I was about to add a picture of the cylinder head casting number, which is 3872708, also indicating a 230. 400-inch lift are almost identical 0. SBC Cylinder heads. If you notice any mistak Chevy Small Block Cylinder Head Identification Guide Borrowed from CAR CRAFT Magazine Big Block Chevy Cylinder Heads Open vs. Buick/Chevy aluminum 10' head, 42cc chambers, symmetrical ports, 235cc intake port volumes, 2. These codes are often stamped on the engine block or cylinder head and can help determine the engine’s displacement, compression ratio, and other important details. Product Key Features. 480 lift with 230/230 Duration at 0. Description: CHEVROLET ENGINE, CENTER BOLT VALVE COVERS, ROUND PUSHROD HOLES. If you have ever heard that the new style 235 gets better compression numbers with an "848" Head, look for the last three numbers of Choosing a performance head for your Chevrolet Small Block. This will show you what Chevy V8 you have in your vehicle. Chevrolet Big Block Cylinder Head Casting Numbers. 5: 330862: 1971 / 73: 400: 1. Engine Repair Shop. The block should have a sililar set of letters and numbers on the back of the block. Here’s a breakdown of some popular options: Small Chevy Small Block Cylinder Head Identification Guide Borrowed from CAR CRAFT Magazine. ChevyHiPro Moderator. Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. Functional with a wide variety of standard parts. 94"/1. Four bolt main blocks are desirable in high performance applications Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. com Reactions: Head number 217 (last 3 digits) is a 350 1. 60 valves, and were Chevy V8 Head Casting Number Locations. Chamber Volume (CC) COMMENTS: 3788415: 1962-67: 194: 72. User Info. This is probably the best cylinder head casting that Chevrolet has ever produced for a production small block Chevy. This document provides a guide to identifying Chevy small Chevy Forums FREE technical assistance for your restoration and repair. 5001 : 74 : 1971-73: 330862 : 400 : 1. Key: Cast Marks: Cast Nos. He says they are off a 78 pontiac catalina. How to Identify the Ford Flathead V8. Location: The head casting numbers are usually found on the top of the head, under the valve cover or along the edge of The cylinder head date/casting numbers are under the valve covers, inside, in the rocker valleys. Closed Chamber - A good way to describe big-block heads is to categorize them as open or closed chamber. Identify this head number. Teeth: Comments: 471529: 12. 80 CC. 72-inch valves. A 1974 SBC Head Casting Numbers. This 126 page pocket size booklet lists the numbers on blocks, heads, intakes, exhausts, and water pumps. Cylinder Head identification. This will give you the most accurate info on the heads;) Big Block Chevy Engine Parts Identification: Engine Blocks | Cylinder Heads | BBC Cams BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2. Some time ago Chevy High Performance magazine did a Mr Goodwrench 350 build up from stone stock to screaming wild in itty bitty steps see the included URLs. 94-inch intake valves and 1. 80 cc chambers. CHEVY CASTING NUMBERS. 88 exhaust. Identify World Chevrolet cylinder heads. Use these casting numbers to identify the heads you have. Year. Casting: Years: CID: Chamber: CC: HP/RPO/Comments: 3904392: 1967: 427 : Closed: 106. The Phase 2 Bow Tie cylinder head (casting P/N 14011034) has the highest performance potential of any cast iron Chevrolet head. Note temperature sensor port. Polaris Sportsman Frame VIN Number Location. However, on some later production blocks, the casting number may be located on the passenger side ledge. It is intended for off-highway applications only. Save Share 1956, and 1957 Chevy owners and enthusiasts. With the valve covers and intake manifold on 99%b of BBC heads look the same. They came from GM parts, if not a complete crate engine. 25 in 1957. The most common heads sought by engine builders are ones identified variously as the "Camel Back," "Double Hump" or "Humper" heads used on a range of passenger cars and performance vehicles. BRODIX started numbering small block heads in April of 1979; an alpha-numeric system was started with A 1 in August of 1979. Feel free to contact us or call toll-free at (800) 572-1963. Information on Small Block Chevy Head Casting Numbers. Without a doubt, it is the best iron GEN I small-block production cylinder head Chevrolet has ever produced. Most often found on marine applications. SB2. Performance Part. REQUIRES SLOTTED ROCKERS: Special Notes: REQUIRES SLOTTED ROCKER Small block Chevy cylinder heads come in lots of configurations. RECTANGULAR PORT - Valve size 2. 19-inch intake and 1. 94/1. 3927763: 1965-70: 230: 3895052 . Joined Oct 7, 2012 Messages 134 Karma 5 Car 1976 Chevy Cheyenne 1500 P/U Oct 8, 2012 #5 Ryan; Here's the short story on your heads, from their casting Place one of the new cylinder heads on a suitable work stand and install the recommended spark plugs (refer to the Recommended Components chart in the Technical specifications sheet for specific part numbers). Chevy Small Block Head Casting Numbers Jump to Latest 77K views 6 replies 7 participants last post by Big Bob Mar 13, 2018 Chevy SB Cylinder Head ID Guide - Free download as PDF File (. This complete cylinder head assembly includes 1. pdf), Text File (. oem rectangular heads belong on nothing under 500 cubes or a high winding 7 grand application and then with a dual pattern cam that favors that poor exhaust flow. on a machined pad just in front of the cylinder head. For comparison the popular cathedral port “243” heads have a 210cc intake port volume. 8: Chevrolet Small Block Head Casting Numbers; Casting # Combustion Chamber Size (CCs) Intake Valve Exhaust Valve Production Years Misc. Introducing the Using Chevrolet’s best-flowing, non-Z11 head, the 690, and with the proper machining, a 2. 6 valves , screwin studs and guideplates ,bigger spring pockets,downcut guides ,it would be smart to open up the pushrod holes, and THEN THE 30HRS OF PORT AND BOWL WORK!! Those heads were used with the target crate engines, and are one of the better (heavy weight) heads chevy made in the 75-76 cc range. 5 rockers ?? Chevrolet engine serial number lookup is another way to identify your 6-cylinder engines. 5001 - 1971-76: 333881 : 350 Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. Engine Size (ci) 10033867: 62cc: 2. 0L engines as well as L92, L9H and L94 6. Chevrolet Casting Numbers Number. As with our casting numbers on W engine blocks, Chevrolet’s head information is often sketchy at best. 283 blocks (3. 94 / 1. . The side of the block engine. Big-Block Chevy Cylinder Head Casting Numbers. Earlier and To identify a Chevy 396 engine, check the casting number, suffix code, block date, and partial VIN. 02: 1. 194. Positively identifies the Chevrolet the 6 cylinder and their parts. Identificar cabezas motores chevy Text File (. Closed-chamber cylinder heads have small combustion Chevy 235 engine identification numbers help determine the engine's year, origin, and application. 72 intake valves, 1. The matrix on the right is the Engine Casting Numbers and should prove to get you the ID, Make and Year of your Engine. 94 intake without the swirl port. By Andy Bolig May 23, 2018. Yes. These are 1964 model year heads. 1992-’93: There were a number of changes to the head in 1992. 50 The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. 19 intake, 1. The other 2 casting numbers had 72. Thanks, Butch On the heads there should be a letter followed be some numbers. I actually went through several lists and made some corrections before making this list. Choose Group to View Cylinder Head Codes Select Cylinder Head Group ALL Head Codes 262, 265, 267 302, 305 or 307 302 Only 327 350 400 GM head casting numbers? 14102183?? Jump to Latest 41K views 2 replies 3 participants last post by DoubleVision Apr 28, 2004 C3 Corvette Casting Numbers for Blocks, Heads, Intakes and Exhaust Manifolds Corvette Year Engine Type Block Cylinder Head Intake Exhaust Manifold (LH) Exhaust Manifold (RH) wdt_ID Corvette Year Engine Type Block Cylinder Head Intake Exhaust Manifold (LH) Exhaust Manifold (RH) 1: 1968: 327 - 300 HP (Early) Base: 3914660: 3917291: 3919803 Find many great new & used options and get the best deals for 235 261 Chevy Rebuilt Cylinder Head Casting # 3836848 at the best online prices at eBay! Free shipping for many products! Manufacturer Part Number. This 350 crate engine came with 285 hp, although I have seen them listed as making 300 hp though thats unlikely unless there was an option. Would you know what you're looking at if you found a pair at the swap meet? Now you can. 3824435 . 5 exhaust, 75cc chambers) A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. According to World SBC cylinder head identification . (cross check your ID number @ NovaResource - Nova Engine Codes Late Chevrolet Inline 6 Cylinder head Index there was only 1 of 3 194 head casting numbers that had the small combustion chamber (60. The serial number near the distributor and casting numbers on the block provide key details for restoration or repair. Vintage Part. Journal sizes were increased in 1968. Looks like I've got the #3917293 heads (1. Let’s break down the most common identification methods: Head Casting Numbers. I am looking for intake/exhaust runner sizes and flow. The casting number is probably the most significant feature on a cylinder head as it's the hardest to alter. outintheshop. jpg. . For example, your head manufactured date number is 249-space-14-space-1. Type. The cylinder head has coolant passages in places that the block does not. The heads came with my Five Star 383/360 HP crate engine. Big-Block Chevy Cylinder Head Casting Numbers 330864: ’68 through ’84 oval port, open chamber, 2. Our images cover Chevrolet small blocks since 1955. While they weren't included on every Chevy with a small block V8, they were common enough to ensure a The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. 50 E valves: the casting number was 333882. 94 Heads, i am hoping to make 350-375HP with them. 480/. 3L, aluminum, truck, van . Location: Typically, you’ll find these casting numbers on the cylinder head itself. CID. The engine serial number or VIN (Vehicle Identification Number) is stamped or engraved on a flat surface of the core engine block. 1929 to 1933 U. C. It was used from 1960 through July of 1963. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! As mentioned above, casting symbols were included on the end of SBC cylinder heads. The suffix code typically consists of two to three letters and tells you key details about the engine, such as the engine type, application, and whether it was designed for use with a In addition to the engine identification number, Chevy 6 cylinder engines also have unique engine codes that provide further insight into their specifications. 94” intake valves, 1. C1 & C2 Corvettes - Small Block Chevy Cylinder Head Identification - I'm looking at a small block Chevy engine. 1955 Chevrolet Bel Air Unrestored 15,000 Mile Survivor I checked the cylinder heads. "Small-Block Chevy Engine Buildups: How to Build Horsepower for Maximum The valves are larger and the flow numbers at 0. It's the clearance between the crown of the piston and the underside of the cylinder head at the Cylinder Head Casting Numbers. 50” exhaust valves, valve springs (P/N 3901068) and valve spring caps (P/N 14003978). 0. 389770. This casting number cylinder head was equipped with 1. A "two-bolt" main, or a four-bolt main. 269). Chevy Six-Cylinder Engine Identification. casting #s on a 235 cylinder head (Topic#69696) 52_chev_261 Senior Member Posts: 295 Loc: SIERRA VISTA AZ Reg: 10-05-02. 50 or 2. Exhaust dilemaHead casting numbers sbc heads cylinder gm 1972 v8 cast 1964 chevellestuff chevelle they hot qd not Chevy sb cylinder head id guideHow to easily identify ford big block cylinder heads. I know that Chevy Casting Numbers are on several sites on the World Wide Chevy Forums FREE technical assistance for your restoration and repair. 5:1 compression ratio with these heads, comp cams . Jump to Latest In my book "Catalog of Chevy V8 engine casting numbers 1955 to 1993" the head part # 3795896 was used on 327 62-64 Corvette 250 HP, 62-65 passenger car,62-67 truck, 283 63-67 truck,63-67 passenger car. Cruzer Dood C3 Tech/Performance - GM 4586642 cylinder head info needed - I am seeking technical information for GM iron cylinder heads, casting number 458642. What's the casting number on the block and the suffix code stamped on the front pad? Ed . 06-inch intake and 1. CYLINDER HEAD AND BLOCK CASTING NUMBERS; 1937 - 1962 Chevrolet 6-CYLINDER; 1929 - 1952 Chevrolet; Model Codes. 00". The block casting # is 3835497 -which I think is a 1951. 040" is the recommended squish. the engine is a 350 Steel crank, 4 bolt main, 9. Repeat this procedure with the other cylinder head. Small Block Chevy 327 Identification. Attachments. The head casting number was 3973487X. Come join the discussion about performance, builds, restoration, modifications, classifieds Pontiac engine heads also have casting numbers that identify the specific heads used on an engine. D. Big-block Chevy head identification can be difficult. 3864883 . Types of Chevrolet Cylinder Heads. The casting number is 3782461. 5001 74 Last updated: 12/12/1997 AuthorMadMike Maciolek Email: [email protected] Dart Iron Eagle 23° 165cc S/S Heads – This type of small-block Chevy heads is used from idling speed to 5,500 rpm for factory replacement, street/strip performance, and towing upgrades. Exhaust port exits are p/n 6260482 Open Chamber Cylinder Head (Cast Iron) 1968-90 This is Chevrolet's best cast iron cylinder head for high-performance big-block V8s. C3 Tech/Performance - 1972 SBC Cylinder Head Identification - Took the valve covers off last night to get an idea of what I'm working with while I start putting together the plan for rebuilding my stock 350. This casting # has been used in many different versions of this aluminum 18′ and 15′ Bowtie Beginning in 1986 all production small block chevy engines used a 1 piece rear main seal. There is a site somewhere that was called Mortec. Why It Matters Knowing the right casting numbers is I bought a 48 chevy with a 216ci 6cyl engine. The engine part number is 12353641. 853 is the ID number for the cylinder heads (in your case they are stock) and 12559378 is the engine casting number. Chevy cylinder head Identification - Small block casting numbers Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads. I’m looking for detailed information on identifying these casting numbers and understanding which ones are compatible with various engine models and years. Casting numbers and date codes are found with the valve covers off. I find out some interesting stuff Retrieved from "https://www. Chevy 350 TBI Cylinder Head Casting Number? Post by ProPower engines » Tue Jan 18, 2011 8:17 pm. Years. 4 Direct Injection Cylinder Head Cast# 279 Only Rebuilt Clearwater Cylinder Heads is happy to assist you with your cylinder head casting number identification and set you up with one of our amazing replacements. 348-409 Chevrolet Cylinder Heads. Topping that, the word soon spread that you could purchase these heads, complete for around $500 per pair, straight from Chevrolet. Heads with accessory holes are from 1969 and later and any head with a double Humps are popu My engine builders software also says they are 305 heads and can be either 55 or 65cc. , with intake runner volume being the only difference. Part # DIA. 6272176 1968-76 366 Chevy, GMC, tall truck 6272177 1972 402 210 6272181 1973-76 427 tall truck 1401544 1975-87 454 truck Big Block Chevy Cylinder Heads Open vs. Auto Engine image by Andrew Breeden Re: rect port head casting number 3964291 For the most part. 8: The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. This book was compiled by Cars and Parts magazine and was purchased at Books A Million. I hope it helps you identify the Chevrolet engine parts you are working on. I used Ken Hardys link for the head casting numbers. It will be sometning like A 29 9 for Jan 29th 1969. The head started with a 8. There is a 3986336X head listed so if the second digit is being read as an 8 vice 9 and you/seller is ovelooking the X, then it is a 350 head with 76 cc combustion chamber. Description: A : Later hi-perf or “fuelie” heads, some 186 (‘69 & later) & all 492 have accessory bolt holes; The remaining engines/cars were produced with an identical cast iron cylinder head. - Fits engines ranging from 305 to 383 cubic inches. Post: Cylinder Head Identification (Topic#236604) rls8836 Member Posts: 435 Loc: North La. Chevrolet. For high-performance use, these heads are routinely fitted with 2. Here is a quote from the back of my Cheerios box "In 1975, a lighter head was released sporting 1. 02 ,1. The Casting number in pic below for example is for a 1968-1976 Chevy 350 used in Trucks and High performance vehicles and will most probably be a 4 bolt main. It offers exceptional power at an economical price. 12556743 – LS Small Block V8 1999 325, 5. My engine came out of a wagon, 2bbl powerglide with 1554 heads. 625 valves, angle plugs . The oval port casting numbers of interest are 336781, 353049, 3992241, and 3993820, which were originally installed on '71-'74 402 and 454 engines. Staff member. Must for the perfectionistsSold each. Chevy V8 Casting Number Locations Chevy V8 SBC Block and Head Casting Numbers Chevy V8 BBC Block and Head Casting Numbers Chevy V8 "W" Motor 348-409 Casting Numbers Chevy V8 Crankshaft Casting Numbers Chevy V8 Crankshaft Journal Sizes Chevy V8 Bore and Stroke List Chevy V8 Notes SBC Crate Motors BBC Crate Motors SBC Cylinder Heads Holley Carb Pontiac cylinder head id numbers — patterson coachworksSbc first-gen heads vs. Save Share Reply Im rebuilding a 57 283 and the block number looks right for a one year only 1957 Chevy 283. Cast Iron. 88 exhaust IP = Intake runner volume. 26. Discussion in 'The Hokey Ass Message Board' started by Dang you're quick. 5: 333881: 1971 / 76: 350: 165, 270 hp: 333882: 1970 / 77: 350 / 400: CFM Inlet 137. Thi 327 Cylinder Head Identification. Model specific subject matter experts, classified ads and more. 230 Small Block Chevy LS Cylinder Heads by Casting Number 10215339 – LS Small Block V8 1997 346, LS1, aluminum, 68cc chambers . There not the best heads for sure, but depending upon your budget, you can actually get some surprising results. Click for more info CFD marking location. I thought the casting number accueil engine code. GM Heads - Identification. Chevy's first true performance heads for the Mouse motor were available in the '60s with the small-chamber 64cc heads and 2. History of the LS Engine and Cylinder Head Casting Number Spotter’s Guide: LS1, LS6, LS2, LS3, LS4, L99, LS7, LSA, LS9, LQ9, LQ4, L92, L94 These were rated at 303 horsepower and were found One of the most rare cylinder head for the big block chevy is the 375 horsepower 396 and the ZL-1 427 aluminum head. This made identification easier without removing a valve cover. Material. I am just surprised because I never saw this marking before. 50: 034: 64cc: 2. 035" to 0. 12558060 - Vortec "L31" '96 350 complete cylinder head, cast iron, 1. 42-51. 625 valves: 3030817: 74: 400 : Another reference page Year One GM Engine ID. 5-inch exhaust valves. Big Block Chevy Engine Parts Identification: Engine Blocks | Cylinder Heads | BBC Cams BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2. ( 1548 ). Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting My references do not list this head for a small block Chevy. 875" bore, 2. Those looking to increase the valves in 348 heads can’t go that big due to the design of the heads and castings. Click the links below to open the tables. ; How to Read and Decode Chevrolet Engine Casting Numbers. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts Hi, Can anyone help me, I have a set of Canfield heads, #20450 on my 95 302 roller block. Small Block Chevy Cylinder Head Identification Small Block Chevy Cylinder Head Identification : Chevy Cylinder Head Casting Numbers : Years: Casting# CID: Intake Exhaust: CC : Jul 15, 2014 I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. 72 : 1. i was changing valve cover gaskets today and decieded to look up the casting numbers ,they say 327 1968 truck heads number 3947040 "good hp head" im not just overestimating the 327s capabilitys . The scallops around the lower row of head bolt-holes can quickly identify these heads. regards Arne The LY6, L96, and L76 6. Photo Credits. 839910. They will be able to tell you for sure what heads you have based on the casting It used to be you could simply look up a block casting number and identify an engine back in the days of the original Small Block Chevy. Used on 396ci, 402ci, 366ci truck, 427ci truck, and 454ci truck. Chevrolet has produced a variety of cylinder heads over the years, each designed for different engine types and performance needs. com/wiki/index. This number tells you the head was manufactured on the 249th day of the year. Are these heads worth buying. Taking notes, pictures, and even making a video of the disassembly will help you greatly when reinstalling brackets and routing vacuum lines. qlvkju fsyjcmul fmuad tbe bvsrx msgj svmj xxejk sfbywm mrl