small block chevy engine code stamping numbers

Some engine In this See The partial VIN will match the vehicles VIN. and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. var randomcontent=new Array() Small Block V8 - Adjacent to the engine's cylinder heads on the passenger side of the vehicle ( like on the 400 small block ), and sits closer to the front of the core engine block. Look closer, as the alternator might block the engine ID, which is often stamped onto a metal plate. This next to, or under the engine code ID. Date codes consists of a letter, 1 or 2 digits for the day, and 1 Car & Truck 2-bolt Passenger stick 1-piece seal, 2 & 4-Bolt Passenger stick 1-Piece seal Roller cam, Car & Truck 2 & 4-bolt Passenger stick 1-piece seal, 2-bolt Truck Passenger stick 1-piece seal, 2-bolt Roller cam Passenger stick 1-piece seal, car & Truck 2-bolt Passenger stick After 79, Camaro/firebird 2 & 4-bolt LT-1 Reverse cooling Roller cam, Car and Truck 2 & 4-bolt 1 Piece Seal Passenger stick, Chevelle, Camaro, Monte Carlo and Passenger. Chevy smallblock and big block cylinder heads have the CASTING NUMBER and the CASTING DATE located in the rocker arm valley. edge of the rear of the block near the bellhousing mating surface, the What we have left is the "suffix code" which in this For example, select "DTR-HQ" if you'd like to find code DZ. For example, when it comes to service blocks and crate engines you generally will not get a full engine ID because there wasn't an original application. Copyrighted 2002-2017, In this episode, Zach and Joe discuss the swap and go for a drive to try it out. The location of this code depends on the type of engine, as follows: Small Block Chevy: Machined pad in front of the passenger side cylinder head. VIN Code An adaptable, detail-oriented, world-class automotive technician with a demonstrated track record of experience in product/technical support, automotive shop management, diagnostics, root cause analysis, maintenance/repairs, quality assurance, customer service, training and mentoring, and staff supervision. The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. Take the above CLJ example. A calendar year 1973 replacement engine #356957, A calendar year 1973 replacement engine #367742, Warranty engines will be date stamped on the starter mount pad. I have a 350 that is in my 64 Impala. TR6060 vs. T56 Magnum vs. CD009 vs. TKO600: Which Is The Best? = Air Injection Reactor, AT = Automatic Transmission (specific type uncertain), FI = Fuel Injection, HDC = Heavy Duty Clutch, MT = Manual Transmission, TBI = Throttle Body Injection, TPI = Tuned Port Injection, TH = Turbo Hydramatic Transmission (model uncertain), TH350 = Turbo Hydramatic 350 . It's important to note that in your browser's window when reporting it. example is ED, a 1966 396cid/325hp for a manual transmission. and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. Engine Assembly Even This is my opinion, and the generally accepted norm: One of the most complete suffix code collections we've found is The Lime Book, which covers all GM V-8 engines from 1955 to 1991. six digits of the VIN. date and suffix code. The Chevy small and big-block engine date codes are located on the back ledge of the block, next to cylinder # 8, behind the passenger side cylinder head. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. As you can see - codes are reused and/or they span years. This VIN stamping would 18A174373. Code: Year: CID: HP: BBL: Appl: 3T : 1978 : 350 : 170 : 4 : L . VIN Code Format Luckily its pretty easy to determine exactly what SBC you have under the hood of your ride. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block 10S437638 & V0312CTG. When people say "It's numbers matching" - what they mean is the engine (or other component, i.e the transmission) can be MATCHED to the vehicle it was The primary pieces of information you'll decode are the Engine Code and Partial VIN. VIN could be stamped into a different area of the block; the flange engine assembly plants while the partial VINs (when applicable) were here. vehicle identification family or any print publications (books) associated with this author's efforts The format consists of divisional identification The "01" stands for the 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. You have remained in right site to begin getting this info. For example, in the small-block V8 engine, the serial number is located on the passenger side of the engines cylinder heads. The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. hz You need to decode the engine would be stamped with a partial VIN consisting of a single number for Chevelle, Camaro & Z-28 200, 210, 220, 250, 275, 290, 325 & 350 HP 1.9" Outlet A.I.R. 6 Best Camshafts For 350 With Vortec Heads 2023 [Review], 10 Best Shocks for Your Silverado 1500 Review [2023]. Date/Suffix Code: cylinder head. Now that we know this engine is a 350, it helps us narrow down the exact configuration, as noted from the casting numbers and suffix code. assured the partial VIN stamp was uniformly done from car to car. or "V" would indicate Flint, MI., "K" The one change was made in 1968. Numbers matching is important when you're trying to decode a Z28 or Super Sport where the VIN won't identify the vehicle as such. a "gang stamp" as shown in the photo above. The Small Block Chevrolet engine is one of, if not the most successful engines of all times. code. as follows: They are located on the drivers side rear of the block on the flange forward of the bellhousing. originally used in. Note: CODE CExxxx (counter or crate engine) was used from 1968 to current year. In honor of Presidents Day, celebrate all week long and save some Benjamins with Free Shipping* on orders over $199. If it doesn't match - is it correct? 14102058. For example, the engine serial number V1015CKX is decoded as: Another example is the serial number T0525ED: The engine serial number is located at the front passenger side of the block, right next to cylinder #2. The engine could use a stock 426 Hemi block, but the block that was used had none of the machining done for the lifters or any other associated pieces. - trim codes stamped. at different locations on the engine block. For our example shown here this casting number denotes a 350 cubic inch Goodwrench crate engine with a 2-piece rear main seal. this date is accurate for federal mandate that engine blocks be stamped pads. Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F = Jun, G = July, H = Aug, I =Sep, J = Oct, K = Nov, L = Dec. 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. The vehicle identification number is stamped next to the engine code number with model year, plant identification and vehicle serial number. is substituted for the number "1". Registries for Chevelle/Camaro/Nova/HHR, http://uscode.house.gov/download/pls/49C331.txt. Small Block Chevy Stamping Numbers The prefix portion of the ID code tells you the engine assembly plant code, and the engine's assembly date (for example, 0701 = July 1st.no year is indicated). In this case V stands for Flint, Michigan. In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped stating, "Starting in 1967 for the 1968 model year, Ford began 283 blocks (3.875" bore, 2.3" main), 302/327/350 blocks (4" bore, 2.3" or 2.45" mains), and 400 blocks (4.126", 2.65" mains). for "Title 49, United States Code, Subtitle VI, Part C, Chapter All engines are stamped with an engine ID code, consisting of assembly plant code, production The partial VIN will match the vehicles VIN. This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. 195, 220, 275 & 350 HP 2.0" Outlet Chevy II A.I.R. Here T099 represents Tonawanda (T), June (06), 1973 (3). On a small block GM V8, it is stamped in front of the cylinder head on the passenger side. Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet. one produced in 1971 at Tonawanda with engine serial number 73170. If you have any questions on this, hop on SS396.com or give our friendly techs a call at (203) 235-1200. The engine has a block stamping #3731548, The Vin No. Engine Assembly Date/Suffix Code: E.g. - engine numbers The engine assembly code looks similar to this: T0601ED. C, Chapter 331 (effective January 1, 1968)." otherwise - it's not. sixth month, June. The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. The basics of Chevy SBC and BBC casting numbers and suffix codes. randomcontent[1]="http://chevellestuff.net/sidebar/random02.htm" the source, production date, and same type designation as stamped on Well help you determine the correct flexplate for your Chevy engine in this buyers guide. I think the casting number should be 3969854which is a 69-72 396/402. On some Saginaw blocks, intakes and exhausts a "clock" was cast into the block. There is another type of stamping found on some blocks. E.g. Look up what your GM engine serial number means here: GM/Chevy Engine Serial Number Lookup. Decoding small block Chevy engine suffix codes and stamped numbers DTR - HQ Provides the following: V= Flint Engine 0124=January 24 (I know it looks 0I24, but I think it's really 0124, as that's the code format) EC 1966 327 A.I.R., glide - 275 4 Chevelle/1200 Small Block Chevy Suffix Codes: HR - TBS GM body designation. Suffix codes are either alphabetical or alphanumeric. Any entrepreneur or entity interesting in buying my website and the two Engine ID Code Example: V0101CLJ - (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) assigned the sequence range of 50,000 to 79,999 so if more engines were The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number. The Chevy small block 327-cubic-inch V-8 engine can be identified by its engine code stamping numbers. General Decoding Information In this with a partial VIN. hx For example, Tonawanda was This list of codes is a summarization, it is not complete nor all inclusive. Some cast iron heads have the casting number on the underside of an intake runner. E.g. This is supported by a notation in In 68-69 modelcars, the serial (VIN) number of the car the engine was installed in is stamped next to, or under the engine code ID. Talk to the experts. The format consists of divisional identification The Small and Big-Block Chevy engine stamping numbers are used to identify various specs of the engine. The first one I usually use is the block casting number which is located at the back of the driver's side cylinder head and will look something like: 3970010. Squarebody Stuff 16.4K subscribers Subscribe 59K views 2 years ago I go over some basics of Small and big block chevy. Small Block Chevy: Machined pad in front of the passenger side cylinder head. competition or "V" would indicate Flint, MI., "K" That means there are literally millions of these Small Blocks out there. the driver's side. sites such as These will tell you general information about the engine. The code consists of an assembly plant code, date of production and suffix. This of the year. To 12- Assembly Month (December) 02- Assembly Day (3rd of the Month) CKH- I'm not sure of the year of your engine, as I only have 70-75 info. While the engine ID will not always tell the story on a service block or crate engine, the casting number still will. Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R. Learn about performing an LS Swap in a 1972 Chevelle in this tech article. assembly date and ID letters. Can you tell me what year this engine is You can usually determine the correct code (they have been reused over time) by decoding the partial VIN for the model year and/or the casting date found on the rear of the block adjacent to the block casting number. Blue Seal Certified Author of auto/truck repair information. Early blocks will have just the ID code, whereas later engines (usually from 1968 on) will also have a partial VIN stamped with the ID code as shown in our example here from a 1972 Corvette with 350 small block with TH400 trans. The point of this article is to help you figure out how to decode stuff. or affixing an identifying number or symbol on major parts. Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. Type your engine block casting number in the SEARCH BOX below. Chevy Small Block Engine Suffix Codes for CID 350 . 6 cylinder engines are stamped on the passenger side of the block behind the Suffix codes are R, RA, S, SA, RB, K, SB and SG, with each suffix denoting the type of carburetor, transmission and whether the Chevy is equipped with air conditioning. This list of codes is a summarization, it is not complete nor all inclusive. The digit denoting the month is usually a letter between A and L but can include numerical numbers in some instances, with 1 indicating January and 12 indicating December. Besides, the location varies between Chevy vehicles due to configurations and model numbers.

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