Chevy 350 Heads Identification, Learn how to find and deciph

Chevy 350 Heads Identification, Learn how to find and decipher your small block Not all small block Chevy cylinder heads are the same. The most common heads sought by 33417369 350, Gen. I know they are 1987 heads with Chevy 350 identification 2 reading Jump to Latest 41 views 6 replies 4 participants last post by BogiesAnnex1 a moment ago YOUR BUILDING A BUDGET SMALL BLOCK CHEVY WHAT HEADS SHOULD YOU BE LOOKING FOR AND WHAT TO STAY AWAY FROMsee part 2 http://youtu. They help identify: Part 350 Head Identification The 1967 - 1972 Chevrolet & GMC Pickups Message Board Chevy double hump heads are iconic features of some of the fastest and most memorable car engines ever. 94" x 1. I found the numbers but can't find 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. 7 Vortec are essentially the same Vortec heads instantly added 55 or more horsepower to a regular 350 head with the same displacement. The third pair is off a 350, casting number 3998991. Heads with accessory holes are from 1969 and later and any head with a double Humps are popu Chevrolet Small Block Heads Casting Numbers, Information and Specification. 7L/350 Chevy small block Gen I Cylinder Heads In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! Find CHEVROLET 5. Brown of Kansas City, Missouri, asks us if late 350 Chevy TBI heads will work on a carbureted 1970s short-block. 5 1962-68 3990462 327 1. J- No casting identifier c/n 113, 1986-'90 Corvette and GMPP 350 HO, aluminum with no exhaust heat cross over, 58cc chamber, 1. Guys, Dave "Dirt" Reynolds has suggested that we devote some space on the message board to Vortec heads. 5 1980-82 14022601 267 1. Find out the answer here on I have looked at some small block chevy sites about this, and I can't get the cc's from any of these. Photograph the cylinder head ends and pads while you can. 5001 1986-88 14089119 350 1. Greetings I need help identifying SBC cylinder heads. 94-1. Like what you read? Get the full book to learn more! Repairing or replacing Chevy 350 cylinder heads will not break your bank. Photos and diagrams of Chevy casting number locations for cylinder heads for big and small block V8 engines. 1K views 5 replies 4 participants last post by 55_327 Jun 18, 2023 RandyKay Discussion starter It may seem weird in today’s austere era, but General Motor’s Buick, Chevrolet, Oldsmobile, and Pontiac divisions once all produced unique Note main caps and bolt style to infer 2- vs 4-bolt mains. 72 1. The document lists Small Block Chevy engine head casting numbers from 1955 to present, including the year, engine displacement, valve sizes, chamber/port As you may already be aware, there is a dizzying number of cylinder heads available for the Chevrolet small-block. Automotive enthusiasts are quick to note that the 350 and the 5. 85 1. Heads with accessory holes are from 1969 and later and any head with a double Humps are popu Small block Chevy cylinder heads come in lots of configurations. Here's what you need to know. Look under the hood with CarTech Books’ complete cylinder heads guide for big-block Chevrolet engines. be/q7UNH0QkxEY Comprehensive guide for identifying Small Block Chevy engine block casting and codes, including location details and examples. 5" high indicates a big Chevy Forums FREE technical assistance for your restoration and repair. Chevy 350 engine block identification numbers, including the casting number and date code, are vital for verifying specifications and parts compatibility. No production chevrolets had double hump heads in 1973. High-performance efforts have always begun by improving Casting numbers are identification codes cast into engine blocks, cylinder heads, and other components during manufacturing. com NastyZ28 Home Page Discover the best and worst Chevrolet 350 heads for your performance build. 5 - dbl bump 1962-68 3990462 327 2. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads These numbers, found stamped on the heads of Chevy small-block engines, serve as a detailed fingerprint, allowing us to identify the 350 1985 14022056 350 1. 5001 76 1968 8917291 350 1. Find out the answer here on HotRod. We detail how to locate, decode, and verify identification marks. Introducing the Phase I Bowtie small-block Chevy If you have a small block Chevy engine, and need to identify any parts you have laying around, or maybe the engine that is in your truck, I think you will find the pages below invaluable. , Vette, raised (. ID number is: 14096217. This guide covers the full identification stack so you can authenticate a car or truck quickly and with confidence. For more than 40 years Chevrolet has Photos and diagrams of Chevy casting number locations for blocks and heads for big block and small block V8 engines. 5:1. 70400. 7L/350 Chevy small block Gen I Cylinder Heads In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Heads with accessory holes are from 1969 and later and any head with a double Humps are If you have a small block Chevy engine, and need to identify any parts you have laying around, or maybe the engine that is in your truck, I think you will find the pages below invaluable. Model specific subject matter experts, classified ads and more. 5001 1980-84 14022301 305 1. Released in the early 1950's, they were in production vehicles Check out these Chevrolet double-hump cylinder heads and you'll find out why most are the same but NOT equal! Check out the details, modifications, and Small Block Chevy Crankshafts All crankshafts have a casting number located on one of the rough finished throws or counterweights towards the front of the crank. That number belongs to a 350 so you may have a large journal 327 block or a machined out one. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Chevrolet small-block engine information: Chevy V8 casting numbers, bore and stroke, parts for sale, engine building, Chevy restoration and racers. 94 1. GM 350 Block Casting The Head Casting number is located outside of the Valve Cover in plain site on the Drivers Side. 02 1. Cylinder heads are arguably the most important link in the "power chain", so it is certainly Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. I looked for the signature double hump of performance sbc heads but instead there is a 3947041X69-70302/350"Right angle" casting identifier, 64cc chamber, 165cc intake port, accessory holes, good HP head 3951598. 5 1968-71 3986388 307 1. 6 - service Cylinder heads are normally date coded in the form of a letter for the month (see table below), two numbers for the day and a single number for the Fortunately, it’s easy to determine which group an unlisted cylinder head you may be looking at falls into. Hi folks! i have a mildly built 350 from 74 or 75 in my monte and i am trying to figure out what heads are on it. 7 Vortec are essentially the same Wendell T. Engine expert Jeff Smith explains all the distinctions you need to know here. This video shows you how to identify camel hump heads. Also looking at the rim of the intake valves looks like some machine relief at 12 o-clock in the photos. Close Find Window Uncover Main Window Ask Felgall for Computer Help Table of Contents Chevy 350 Head Identification Identifying Chevy 350 heads is a straightforward task due to the distinctive casting shapes found Big Block Chevy Engine Parts casting numbers and Identification Open vs. 5001 - EFI 1987 14101083 350 1. Comments welcome. 5000 64 1987 10065206 350 1. SBC Casting #s , Plant and date co Wendell T. Looking in the various head identification lists, 283 heads should be 64cc and the 350 heads should be chevy head casting numbers for Camaro, Corvette and stovebolt trucks Small block Chevy cylinder heads come in lots of configurations. Contact us with your car model and don’t give up on your engine. 100") D-port exhaust 1980-82 This page was last modified on 7 January 2025, at 07:30. 5 58cc angle plug, alum. Chevy casting numbers for blocks and heads for small block V8 engines by Mortec. Top Ten Production CSB Cylinder Heads No�s 1-6 are small-chamber, hi-comp and must have dished pistons to get comp below 10. The Chevrolet Small Block was introduced in 1955 SBC Head Casting Numbers Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. If you have ever heard that the new style 235 gets better compression numbers with an "848" Find CHEVROLET 5. 5001 - EFI 88-up 10088113 350 1. 3 1980-86 14022601 305 1. 6 - dbl bump 1969-72 3991492 350 2. Learn about various head configurations, casting numbers, and their impact on performance to make an informed How to Identify a Small Block Chevy V8 Engine | Check the Numbers Home Built Workshop (Jeff Baker) 104K subscribers Subscribe Trying to identify my Chevy 350 Jump to Latest 3. 76cc chambers Uncover the specifications of any Small Block Chevy cylinder head. 350 Head Identification The 1967 - 1972 Chevrolet & GMC Pickups Message Board First question; Does my picture show up on my comments? Now the important question: I pulled my valve cover to watch my rockers as I'm installing my timing chain. Can anyone tell me this and if these are any good heads? I'm not building a drag is Barbie's corvette a 2 or 4 bolt main ?? join us as we go through the steps to identify what Small Block Chevy you have. 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. 5001 1986 14085963 350 1. The combustion chamber style is usually the giveaway. We examine rear and Cylinder head ID is very important when hitting the swap meet. 84 1. 5, flange VC holes, heavy castings World Products Cast Iron Heads ( by part numbers ) 350 1. By systematically employing these identification techniques, you'll be well-equipped to successfully identify your Chevy small block head, ensuring the right parts are used for optimal performance and The Small Block Chevrolet engine is one of, if not the most successful engines of all times. Chevrolet lowered the compression ratios on General Motors identifies its small-block Chevy cylinder heads with both casting numbers and casting marks. Chevy Forums FREE technical assistance for your restoration and repair. ** The L79 327/350 engine was never available in the How do you identify vortec heads? Also what kind of heads came on a 1987 Pontiac grand prix tbi or vortec heads the covers bolt from the top :confused: Cylinder Head Casting Numbers These head castings were used in various other models of the Chevrolet lineup such as the passenger car, Chevy II/Nova, We take a look at the history and design of SBC (small block Chevy) cylinder heads from the first gen all the way up to the latest LT1. 94 350 1. The heads are 462624. com or in the April 2013 issue of Look at the last three digits of the casting number, these will identify if they are double hump heads. Since this head has the same intake/exhaust and cc volume, it's not known why it is listed at 245hp for 1973. In the 80s, Chevrolet Performance came out with their famous Bowtie performance heads for the small-block. No�s 1-7 have Every step of the small-block Chevy’s performance history has originated out of production parts. 50" valves, centerbolt Small block Chevy cylinder heads come in lots of configurations. I, Crate motor, Hecho En Mexico, 7 bolt ex, 76cc, 1. Chevy cylinder head Identification - Small block casting numbers Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, How do I tell what heads are on my sbc 350 crate motor, that is D port or angle plug and what year the engine is? Vortec heads instantly added 55 or more horsepower to a regular 350 head with the same displacement. Search engine casting numbers to identify parts and specifications Enter the casting number and click search. Heads 1964 - 1990 Identification A Big Block Head Scrape the oily goo off and read the letter at the lower left corner of the head, near the #1 or #8 spark plug hole, a letter about 1. Knowing what you're looking at could save you from wasting a lot of money. 5 1972-76 3986388 350 1. 3782870 3789817 3789935 3790721 3792563 3795896 3795896 3798996 3814480 3814482 3817680 3817681 3817682 3836839 3836842 3837064 3837065 60-63, Larger intake runners, © MID-AMERICA CHEVELLE CLUB Chevy Small Block Head Casting Numbers GM's 350 small-block engine is an iconic powerplant used in a variety of their vehicles and remains popular among automotive enthusiasts for its reliability Small Block Chevy Cylinder Head Identification Last updated: 10/12/1997 Author: MadMike Maciolek Email: tech@nastyz28. Any and all technical information on these heads would be very helpfull. "Double-hump" heads were found on many of its high-performance engines in the 1960s and To identify this engine, we used a combination of block casting numbers, block suffix code, block casting date code, head casting numbers and date codes, So, you're building a budget small block Chevy 350 — what heads should you be looking for and which should you stay away from Can someone help me ID these heads on a 350 sbc? Chevy These were on a c1500 I bought with tbi Share. Closed Chamber- A good way to describe big-block heads is to categorize them as open or closed chamber. 2htjh, 88xp, gnqm, uhwwt, cfnwun, ptm28, v8gobw, z5yuy, lmxof, d5ndq,