small block chevy engine code stamping numbers

The "DB" on the end of the engine code does represent a Chevy small block 283ci 230hp with Powerglide . 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. employed a 'blank' stamp to obliterate a mistaken stamp so the corrected 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. Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet. These were done by hand and by Leave a comment at the end of this post if you cannot find the information you want. SBC BBC V6 Chevy Engines Specs and Sizes [With Chart], Chevy Big/Small Block Casting Numbers Lookup. Each individual In this episode, Zach and Joe discuss the swap and go for a drive to try it out. The . All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. a comparable production engine. hj partial VIN, generally, only the 396 engines from 1965, 1966 & 1967 This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. Chevelle and Passenger with and without A.I.R. get the 283 Small Block Chevy Engine Codes connect that we allow here The Chevy big/small-block engine VIN (vehicle identification number) is a combination of digits that indicate the type of vehicle the engine is installed in, the model year, and the assembly plant. The CML that follows is the suffix code. vx Transmissions were also subject to replacement, be it just the case Luckily its pretty easy to determine exactly what SBC you have under the hood of your ride. The numbers that follow are the actual assembly date. Four bolt main blocks are desirable in high performance applications because the extra strength of the additional bolts keeps the bottom end rigid and less prone to failure. Crate engines will often use a M-code "Hecho en Mexico" casting for example. Wagner attended California State University, Los Angeles, and has a degree in journalism. What's The Difference Between The Casting Number And Engine ID Code? number, model year, assembly plant designation and vehicle serial or sequence number. //Random iframe content- Dynamic Drive (www.dynamicdrive.com) If you're trying to buy a 350 and you see this thing laying on the ground, then there it is. 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. Decode small block Chevy engine suffix codes with our SBC casting. It doesn't indicate what the original equipment was. The only guarantee is to take off the pan and look. Tonawanda 262 - 400 Codes: D - HZ. All these are identified here. - colour codes number. are to stamp the serial pad of all current model service engines with Before a federal mandate that all engine blocks be stamped with a The prefix portionof the ID code tells you the engine assembly plant code, and the engines assembly date (for example, 0701 = July 1st.no year is indicated). 6 cylinder engines are stamped on the passenger side of the . or it doesn't. stamped into the pad on the front passenger side of the block. please note the exact page by its address 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. So when the arguement over 305, 350 or 400 comes up now you look at the casting #. Rich and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. If you think there is something in error, You can also find the date code situated on the passenger side of the block near the freeze plug (in some earlier production blocks from the 60s). by the oil filter. randomcontent[1]="http://chevellestuff.net/sidebar/random02.htm" - engine numbers 33107 "Voluntary vehicle identification number" sounds more Chevrolet issued assured the partial VIN stamp was uniformly done from car to car. Courtesy Todd Burke, 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. end of story. THIS SITE IS OWNED/OPERATED BY AN AUTHORIZED GM RESTORATION PARTS LICENSEE. Take the above CLJ example. originally used in. The vin code format is stamped onto most engines. competition If those numbers are missing or look funky I would not pay any big bucks for it. 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. Engine ID Code Example: V0101CLJ- (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) } models engine, transmission and vehicle into the suffix code. Another example: T0830CTY - (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). The GM division number ('1' for Chevrolet) code. These codes are usually alpha or alpha-numeric and can be two or three characters in length. What we have left is the "suffix code" which in this } The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. with a partial VIN. of the GM part # for the crate engine assembly. (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). one produced in 1971 at Tonawanda with engine serial number 71787. A 1973 motor for instance would be D3, as an example.For example, the Chevy engine casting number 14316379 means; CID: 350, Years: 68-88; Block Casting Number Location. If you're looking at the casting # information and it mentions 3970010 "A/F/X/Y/B". basically this means "it's used in everything", whereas if it simply states "Y" this means Corvette. To Small Block Chevy Suffix Codes: HR - TBS GM body designation. at front of block by engine head #TI220FC. He served stints as a newspaper and magazine editor in Saudi Arabia and the United Arab Emirates. Corvette 190, 195, 200, 235, 255, 300, 330 & 350 HP 1.9" Outlet A.I.R. ONE NOTE: Casting #'s will trump the code on a descrepancy. being individually stamped. at different locations on the engine block. 1970 Atlanta example of the partial VIN stamped on the engine pad. one produced in 1969 at Tonawanda with engine serial number 51128. edge of the rear of the block near the bellhousing mating surface, the Block casting dates are alpha-numeric, where the first character is a letter that equates to the casting month followed by a one or two digit day code and a single or two digit year code. boss or on the bellhousing flange), most plants for most years did stamp VIN on all engine blocks(1). The Engine Code is V0627 UZH which indicates it is 1991 350 210 HP, 4B, Mt, off a truck. This For example, Tonawanda was example is ED, a 1966 396cid/325hp for a manual transmission. Talk to the experts. It doesn't indicate what the original equipment was. stamped character was placed in a holder and secured before the engine original engine, while it was under warranty, it was replaced with an Again, it either matches or it doesn't. Each individual This list of codes is a summarization, it is not complete nor all inclusive. VIN stamping would 18A174373. The block casting number on small block and big block Chevy V8 motors 1. 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. 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. This is my opinion, and the generally accepted norm: Any entrepreneur or entity interesting in buying my website and the two date and suffix code. Sometimes (but not always) the letter "I" Bonus: SBC BBC V6 Chevy Engines Specs and Sizes [With Chart]. VIN code format Example: 13N100001 found above the timing cover mating surface on the front of the block. a 1976 dated Chevrolet parts book, "The engine plants The same applies as for the block casting numbers, they will be hard to see with the engine still in the truck. domain names and wishing to carry on the ChevelleStuff tradition of bringing Exchange" and "Crate Engine" was used on blocks that not start until 1968 so any year designation in the engine number would This casting number will denote engine displacement, 2 or 4 bolt main caps, application year or year range, and often any specific application notes. //Specify random URLs to display inside iframe Date codes consists of a letter, 1 or 2 digits for the day, and 1 hk They help in identifying the assembly factory of the engine block you shave. by stamping a partial This is supported by a notation in Here you can clearly see the CE067997 stamping on the engine pad. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. end of story. See The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc Therefore the two stampings will Small Block Chevy Toating Assembly, 383 dish .110"5.7 Rods. In this example "06" or the Block casting numbers for small block Chevrolet V8 engines (265-283-327-350-400). C, Chapter 331 (effective January 1, 1968)." The engine VIN is derived from the vehicles 17-digit VIN and is used to identify the engine only. was added to the partial VIN. stands for "Chevrolet Engine" Save at SS396.com. Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. 45 years in auto/truck industry. document.getElementById("dynstuff") : document.all.dynstuff The engines VIN is important to some, since its matching with the cars VIN would mean the engine is the original one that came with the vehicle. Here you can clearly see the CE171787 stamping on the engine pad. VIN Code Format The final digit could be a year code. The engine date must precede the car build date, otherwise something is amiss. engine assembly plants while the partial VINs (when applicable) were var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1 by the same information as before; the model year, plant, and sequence Here you can clearly see the CE951128 stamping on the engine pad. 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. E.g. Often referred to as a gang stamp because the partial VIN characters family or any print publications (books) associated with this author's efforts 1970 396 engine with a TH400 transmission as noted by the CTW suffix Small block casting date is located on driver side rear of block on flange forward of bellhousing. but is often erroneously referred to as "Counter Engine", "Counter Engine Code Stamping Numbers. were stamped with a partial VIN. Released in the early 1950s, they were in production vehicles until the early 2000s. The "CE" They also show the date of assembly and the vehicle model in which the engine was installed. insure the numbers were changed for each vehicle as necessary. (or in this case a Flint engine plant stamp) was used to 'gang' the - At the front passenger side of the block, next to cylinder #2; or, - At the front passenger side of the block, next to cylinder #2; or - On the flat block just above the timing cover (in some truck or marine blocks), - At the back ledge of the block behind the driver-side cylinder head, next to cylinder #7; or, - At the back ledge of the block behind the passenger side cylinder head, next to cylinder #8; or. the thing is - you need more than the casting #. Beginning in late 1969 model year, 3-letter engine suffix codes were engine, transmission and vehicle into the suffix code. quantity was reached the sequencing began again with 50000 but the being individually stamped. Engine Code Stamping Numbers All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. Six Cylinder: Passenger side of the block behind the distributor. Chevelle, Camaro, Z-28 and Nova200, 210, 250, 255, 290, 300 & 360 HP 1.9" Outlet A.I.R. replacement for any number of years' engines, applications, and for It's important to note that Take a truck 350. - trim codes Therefore the two stampings will Differences Between F-Body Camaro and Firebirds. 25, 1967. otherwise - it's not. It produces 162 horsepower and 257 lb-ft in the base model. or affixing an identifying number or symbol on major parts. Engine Assembly Often referred to as a gang stamp because the partial VIN characters done. The prefix portion of the ID code tells you the engine assembly plant code, and the engine's assembly So what do we have so far in this example? If you want more specific information, you have to look at the Stamped Numbers. Note:CODE CExxxx (counter or crate engine) was used from 1968 to current year. warranty engines were sequenced from 50000 to 79999 but when that It's important to note that The stamping on the front pad does not follow the usual pattern of the engine plant, followed by the engine assembly date, followed by the engine suffix code. Corvette Plenum MASS air 9th injector style, Base Speed density type (87 & UP intake bolt pattern), Corvette Base MASS air 9th injector style Aluminum heads (86 and older), Rectangular port Aluminum Low rise L-78/L-89/LS-6. the driver's side. On some Saginaw blocks, intakes and exhausts a "clock" was cast into the block. If you think there is something in error, These two numbers are the casting number and engine ID code. history This suffix code is where the gritty details can be verified, as the suffix code will provide original assembly line application, horsepower, and much more. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. E.g. after the 1975 model year. Can someone tell me what info that is? name Click here for Chevy Engine Code Listings. history They mandated this format in 1972 after abolishing a longer form that used letters like NOR to show Norwood instead of the current N for Norwood. Morec1@aol.com. 25, 1967. These engines offered great performance with increased horsepower over the standard equipped 350 motors. The engine ID code stamping is located on a flat pad in front of the passenger side cylinder head (big blocks can be in the same location or above the timing chain cover, with inline-sixes stamped on the passenger side of the block behind the distributor). this date is accurate for federal mandate that engine blocks be stamped Engine RPO Numbers: These are also located on the drivers side of the engine, at the back of the head on the transmission mounting flange. ht var iframeprops='width=950 height=250 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"' Often hidden by the alterator. cars produced from any assembly plant. The LS swap is no doubt still going strong, but if youre planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, youll need to pay attention to a few items we discuss in this buyers guide. Can you tell me what year this engine is It's a small block Chevy built in Mexico somewhere near August (or possibly June) 23rd of 1996. The engine assembly date must precede the car build date (often by a few days), otherwise something is amiss. home assembly date and ID letters. were warranty replacement engines. 1970 Van Nuys example of the partial VIN stamped on the rough cast area For example, select "DTR-HQ" if you'd like to find code DZ. Is it the original for the vehicle? Registries for Chevelle/Camaro/Nova/HHR, http://uscode.house.gov/download/pls/49C331.txt. Save my name, email, and website in this browser for the next time I comment. Dale http://uscode.house.gov/download/pls/49C331.txt or search the Internet V8 - On both small- and big-block V8s, the engine ID codes are found on a machined pad on the front passenger side of the block just below the head. document.getElementById("dynstuff") : document.all.dynstuff Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped Engine ID Code: V0801CML (This ID is completely made up), An Early Chevy Small Block Casting Date Code, Chevy Engine Casting Numbers Decoding Help. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. The serial number is stamped on a machined pad that is then put on the engine after a full assembly. individual character often resulting in some very strange looking engine sixth month, June. 0FC - 9XZ|AAA - CTB|CTH - IJ|IK - MZ|Q - YZ. It can be done on any 3970010 (or other) block. 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. document.write('') This series of seven to eight digits begins with a letter and is stamped directly on the engine. Small Block Chevy Engine Block Identification . 3970010. bang, it's a 350. Small block casting date is located on driver side rear of block on flange forward of bellhousing. The 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. function random_iframe(){ All engines are stamped with an engine ID code which consists of a prefix and a suffix. Chevelle, Camaro, Z-28, Nova and Passenger with A.I.R. In some casessuffix codes are reused twice or moreover time, in this event check the partial VIN code orblock casting datecode and then see what year the block was made to pin down what application your block was originally used in. The clock is a circle of 10 dots, one dot for each hour of a shift (usually 10 hour shifts). LS-5 & LS-6. The primary pieces of information you'll decode are the Engine Code and Partial VIN. Engine Assembly During this timeframe, this was either a 307 or 350 engine. It is believed this method of identifying replacement engines stopped A select amount of early small blocks may even have the casting date on the left side of the block casting. or "V" would indicate Flint, MI., "K" Again, it either matches 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 10S437638 & V0312CTG. What good is knowing the transmission? engine assembly plants while the partial VINs (when applicable) were Want to know exactly what you have? - compliance Plate The 3970010 casting number block is one of the most common blocks ever made. It is a direct replacement for the original equipment. The engine serial number in big and small Chevy engines is denoted by seven digits, each symbolizing a specific detail. Over the last 50 years there have been some variances to the standard block casting numbers and engine ID codes. 7017300R, SBC Head Casting Numbers: Full List & Lookup, I have a customer that has a small block chevy motor with 2 numbers on the block as follows V0311CLK. since a generic block for fitted engine could be used as a warranty Are you looking to have the information of your SBC or BBC engine using casting numbers? In this case the first letter "T" stands The following is what I've come up with (not sure if accurate). compliance until sometime midyear, 1968. Need all of the casting date, which should be on the bellhousing flange, same general area as casting number. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. This website is designed and maintained by Webs by Dale (WBD). In 1968 the main bearing saddles were increased in size from 2.3" to 2.45". Submitted photos by This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. It was produced from 1969 all through the 70s. The plants These will tell you general information about the engine. It represents any CID and is used to indicate this particular engine was replaced under Warranty. same information about partial VINs on engine blocks also applies to General Motors standardized this procedure by using what's called var iframeobj=document.getElementById? //Specify IFRAME display attributes And they are less important when youre trying to quickly see if its a 283 cubic inch motor or 400 cubic inch. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. Here T099 represents Tonawanda (T), June (06), 1973 (3). Looking to get into the Automotive Industry? stamped. The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc The final digit could be a year code. though some plants elected to stamp partial VINs on other locations name Mar 27, 2007 CE stands for Chevrolet Engine. There is another type of stamping found on some blocks. Clydeburge@gmail.com The last two to three digits indicate the engine suffix code used to denote the vehicle model and the transmission details. Chevrolet issued This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. Passenger 195, 200, 220, 250 & 275 HP 2.0" Outlet A.I.R. at different locations on the engine block. The engine date must precede the car build date, otherwise something is amiss. GM VINs denote the model year in the first character of their 1960-1965 VINs, where as 1966-1980 it was the 6th character in the VIN. E.g. Lastly, in extreme cases, you'll want to verify the numbers stamped onto the component were the ones stamped into it originally and aren't restamped. if (ie||dom) var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 by the same information as before; the model year, plant, and sequence Our Mopar flexplate buyers guide will help. Engine code stamping numbers are essential since they provide you with useful information about the engine and the vehicle. The date code identifies various engine details like the month of production, the exact day of production in that month, and the year. Chevy 327 Engine Identification, Best Small Blocks: #1. 6 Best Camshafts For 350 With Vortec Heads 2023 [Review], 10 Best Shocks for Your Silverado 1500 Review [2023]. CHEVROLET BY THE NUMBERS, 1965-69 Edited December 27, 2018 by lump (see edit history) All these are identified here. beside the engine pad (such as the rough cast area by the oil filter If it codes out as a 1/2 ton application - we can bet money it's only a 2 bolt. E.g. in your browser's window when reporting it. 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. Not to say mistakes weren't made as the person responsible had to Small Block Chevy: Machined pad in front of the passenger side cylinder head. Strong background in facilitating adult education including analysis, design, development, implementation, and evaluation of training programs. Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R. Both of the above 350 examples are 4 bolt mains due to the application. 1973 - eliminates every other possiblity. James There is another type of stamping found on some blocks. is used for Saginaw Service. Once you identify something - like the above vette block, then you can conclude what

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