digit for the year such as J 25 7 would be October You need to decode the engine The point of this article is to help you figure out how to decode stuff. 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. 195, 220, 275 & 350 HP 1.9" Outlet Chevy II. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. Big Block Chevy: Above timing chain cover. var randomcontent=new Array() Engine Code Stamping Numbers All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. in your browser's window when reporting it. Engine Assembly Date/Suffix Code: block was struck by the employee responsible for doing this task. (Today many people describe 1970 F-body cars as " (NOTE: earlier 327 engines used that same flange, but they were small main journal cranks, and would not normally fit a 3970010 block.) Again, it either matches (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). Each individual Click here for Chevy Engine Code Listings. This Camaro, Z-28 and Nova 115, 130, 145, 150, 160, 165, 170, 180, 185, 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 2.0" Outlet with and without A.I.R. .1NN179056 can you help.thanks, Your email address will not be published. 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 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). The point of this page is to help you figure out how to decode stuff. After being stored away for decades, Bob finally finished his big block powered '36 Chevy coupe Having issues fitting headers into your car/engine? Some cast iron heads have the casting number on the underside of an intake runner. Below is a summary of all the letters and numbers that point to the specific assembly plants. holder allowed for consistency in the particular characters used and Exchange" and "Crate Engine" was used on blocks that Underneath is stamped which the first digit or letter being a 1, L, or T followed by MF526670. prefix would become "CExA" where 'x' is the year such as CE0A50000. six digits of the VIN. In this example "06" or the otherwise - it's not. As you can see - codes are reused and/or they span years. Differences Between F-Body Camaro and Firebirds. For a list of assembly plants, click It is believed this method of identifying replacement engines stopped This website Note:CODE CExxxx (counter or crate engine) was used from 1968 to current year. If it codes out as a 1/2 ton application - we can bet money it's only a 2 bolt. If you already know what you're doing, Chevy Engine Codes are listed down below. A0198005 (A = january, 01, 9800 = pn, 5 = 1985). code. If you think there is something in error, If it doesn't match - is it correct? Anyways, that's what that circle thing is (if you happen to see it on something). stamping partial VIN information on production engine blocks to meet stamped at the final assembly plant. 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. 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. My small block has a stamp of T07i9S. This casting number will denote engine displacement, 2 or 4 bolt main caps, application year or year range, and often any specific application notes. 3970010 "A/F/X/Y/B". basically this means "it's used in everything", whereas if it simply states "Y" this means corvette. Reading section Date/Suffix Code: the source, production date, and same type designation as stamped on First letters of "F," "S," "K" or "T" denotes Flint, St. Catherines, Ontario or Tonawanda, followed by month/day/year of build and the suffix code. VIN Code You have remained in right site to begin getting this info. 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. - vin engine that was stamped "CE" with a 6-digit number following For example, the engine serial number points us to the assembly factory, the dates of assembly, the vehicle model, and the transmission details. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. 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. This page has basic information on it, but it's a portion of the Small Block Chevy numbers information. Required fields are marked *. something secret I've been working on since 2005. Look behind the distributor on the passenger side of the block if it is a six- cylinder GM motor. date and suffix code. The primary pieces of information you'll decode are the Engine Code and Partial VIN. Beginning January 1, 1968 the federal government requested voluntary example is ED, a 1966 396cid/325hp for a manual transmission. hg Merely said, the 283 Small Block Chevy Engine Codes is universally compatible behind any devices to read. In that case Our Mopar flexplate buyers guide will help. If you think there is something in error, stating, "Starting in 1967 for the 1968 model year, Ford began Crate engines will often use a M-code "Hecho en Mexico" casting for example. and the Casting # is. 3970010. here. a "gang stamp" as shown in the photo above. 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. This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. Block casting numbers for small block Chevrolet V8 engines (265-283-327-350-400). the requirements of Title 49, United States Code, Subtitle VI, Part or the entire transmission. //Specify IFRAME display attributes would be stamped with a partial VIN consisting of a single number for Select the portion of the alphabet for your code. In this example "06" or the employed a 'blank' stamp to obliterate a mistaken stamp so the corrected Engine Assembly Date/Suffix Code: Specific numbers identified the time period it was built and its horsepower range. var iframeobj=document.getElementById? 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. As Chevrolet issued V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. hq The partial VIN consisted of a single number representing the is substituted for the number "1". Operates automotive equipment including electrical (scopes, DMMs, and logic probes), drivability (including scan tools and programming capabilities), alignment, brakes, HVAC, engines, and automatic transmissions. I'm trying to decode the engine code stampings on the front lip of the cylinder heads on the passengers side of the vehicle. Here you can clearly see the CE171787 stamping on the engine pad. In 1972, plant codes changed to reflect the VIN code. QUICKLY IDENTIFY A CHEVY ENGINE CLICK HERE - for decoding engine codes. example is ED, a 1966 396cid/325hp for a manual transmission. However, on the big-block V8 engine, the serial number is located on the cover around the timing belt. Many Chevrolet V-8 engines are stamped with a "CE" engine code on the front pad. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block Decode small block Chevy engine suffix codes with our SBC casting. Some engine machining operations (decking) will obliterate the engine ID. There are over 1300 pages and 8500 images These will have a stamp something like "CC" For example, select "DTR-HQ" if you'd like to find code DZ. a rebirth of the ZL-1 engine block under part number 12370850. General Motors standardized this procedure by using what's called 1970 Van Nuys example of the partial VIN stamped on the rough cast area Take a truck 350. "2800" is the last 4 digits of theGM part# for the crate engine assembly. 2014 2018 Impala Water in Trunk: Why, What to Do? This is the GM body designation. Are you looking to have the information of your SBC or BBC engine using casting numbers? (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). MoPar forums searched seem to indicate that MoPar didn't follow the the driver's side. E.g. VIN code format Example: 13N100001 Quickly, A = Chevelle, F = Camaro, X = Nova. The primary pieces of information you'll decode are the Engine Code and Partial VIN. Where Are Chevy Small Block Casting Numbers Located? The vehicle identification number is stamped next to the engine code number with model year, plant identification and vehicle serial number. sites such as vehicle identification Engine Code Stamping Numbers hk Big Block Chevy: Above timing chain cover. Another example: T0830CTY- (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). However, a properly prepared 2 bolt main engine will work just fine (often times you'll lose a rod bolt before you break a crank because it's "only" a 2 bolt main). There are over 1600 pages on this website. stands for "Chevrolet Engine" If you have any questions on this, hop on SS396.com or give our friendly techs a call at (203) 235-1200. But numbers correct is not numbers matching. by stamping a partial transmissions. The CE block stamp year is the year the block on the front pad of the block deck on the passenger side. = 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 . There are two very important sets of numbers on Chevy small blocks (well, big blocks and even inline-six engines too!) It is a '69 350/300 hp, a pretty desirable piece. This example happens to be a September 22-built The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. The partial VIN will match the vehicles VIN. 33107 "Voluntary vehicle identification number" sounds more stamped at the final assembly plant. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. Blue Seal Certified Author of auto/truck repair information. Your email address will not be published. assured the partial VIN stamp was uniformly done from car to car. at the Tonawanda factory on June 1st. "Numbers Matching" 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. 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. And/or - you can check dates to make sure everything came together when original. This list of codes is a summarization, it is not complete nor all inclusive. The engine code and partial vin # will accurately nail down whatever the thing is rather quickly, and the other information will fall into line with that. - colour codes You need to decode the engine stamp could be applied. after the 1975 model year. It is common on these later blocks to see "5.0L" or "5.7L". end of story. E.g. Look closer, as the alternator might block the engine ID, which is often stamped onto a metal plate. used on the engine pad. quantity was reached the sequencing began again with 50000 but the insure the numbers were changed for each vehicle as necessary. You just picked up a new project, and start checking out the engine to see just what you bought. 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. found above the timing cover mating surface on the front of the block. The Chevy small block 327-cubic-inch V-8 engine can be identified by its engine code stamping numbers. The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. please note the exact page by its address - trim codes for an engine factory Tonawanda Engine Plant, either "F" It doesn't indicate what the original equipment was. It's important to note that What's The Difference Between The Casting Number And Engine ID Code? edge of the rear of the block near the bellhousing mating surface, the be for 1968 and later. //For full source code, and Terms Of use, visit http://dynamicdrive.com The Chevy small/big-block casting number is located at the back ledge of the block behind the driver-side cylinder head, next to cylinder #7.In order to identify a big block . code. In that case // window.onload=random_iframe, Mac's All engines are stamped with an ID number showing plant code, assembly date, and suffix code. distributor. Chevrolet issued technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what could have happend (or not happened). The format consists of divisional identification var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R. See what we're doing at Ground Up SS396.com. The GM division number ('1' for Chevrolet) The Engine Code is V0627 UZH which indicates it is 1991 350 210 HP, 4B, Mt, off a truck. Learn about performing an LS Swap in a 1972 Chevelle in this tech article. assigned the sequence range of 50,000 to 79,999 so if more engines were I have no idea. drilling the holes is a machining operation. vx These codes are usually alpha or alpha-numeric and can be two or three characters in length. This ledge is below the deck of the block and the 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). Small Block Chevy Toating Assembly, 383 dish .110"5.7 Rods. Chevelles along with the L79 engine blocks from 1965 & 1967 Chevelles vx Chevy small/big-block date codes are either alphanumeric or numeric. Depending on the year and plant, the partial Six Cylinder: Passenger side of the block behind the distributor. No two Chevys have the same serial number, and it consists of seven to eight digits that are stamped on the engine block. of the year. the "CE" designation for replacement Chevrolet engines did Everything else lines up 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. 1973 - eliminates every other possiblity. other pieces and parts should have been on it, and check those casting #'s. The final digit could be a year code. for an engine factory Tonawanda Engine Plant, either "F" You might see something like this "CE056789" The "01" stands for the The primary pieces of information you'll decode are the; The engine code and partial vin # will accuratelynaildown whatever the thing is rather quickly, and the other information will fall into line with that. Released in the early 1950s, they were in production vehicles until the early 2000s. The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc This Lets make up a fake Chevy engine ID code and then we'll decode it using the Chevy engine decoder tables from NastyZ28.com. Speedway Tech Talk - Tru-Ram Exhaust Manifolds, Small Block and Big Block Chevy Engine Flexplate Guide, Ford And Chevy Spindle Options For Solid Axle Hot Rods, Built With Speedway Motors: Bob's 1936 Chevy Coupe. code. Each individual This post provides you with a detailed explanation about stamping numbers on a GM/Chevy engine. //Random iframe content- Dynamic Drive (www.dynamicdrive.com) In this case V stands for Flint, Michigan. 6 cylinder engines are stamped on the passenger side of the block behind the 45 years in auto/truck industry. function random_iframe(){ The casting number of the Chevy engine blocks shows various details of the engine block that include: For example, the Chevy engine casting number 14316379 means; The Chevy small/big-block casting number is located at the back ledge of the block behind the driver-side cylinder head, next to cylinder #7. The NastyZ28 site is but one of several great sites we've used over the years for decoding information besides the previously mentioned Mortec site and The Lime Book resources. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. On the other hand, the vehicle VIN is also used to determine the body style, the engine type, the security code, the platform code, and further details. You will usually find a "CE" for Chevy Engine. The serial numbers are registered to Chevrolets engine block registry to ensure easier identification. by the oil filter. Transmissions were also subject to replacement, be it just the case The block casting number on small block and big block Chevy V8 motors Casting Clock //No need to edit after here The engine assembly date must precede the car build date (often by a few days), otherwise something is amiss. (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). You can decode the casting number. This ledge is below the deck of the block and the 25, 1967. 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. "Numbers Matching" partial VIN, generally, only the 396 engines from 1965, 1966 & 1967 Chevrolet Performance 19210009 SBC 350 HO Turn-Key Crate Engine. } prefix would become "CExA" where 'x' is the year such as CE0A50000. The "DB" on the end of the engine code does represent a Chevy small block 283ci 230hp with Powerglide . Therefore the two stampings will Chevy Small Block Engine Suffix Codes for CID 350 . The same applies as for the block casting numbers, they will be hard to see with the engine still in the truck. Luckily its pretty easy to determine exactly what SBC you have under the hood of your ride. or it doesn't. 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). ChevelleStuff Family of Websites - All Rights Reserved, Mac's Small Block Chevy: Machined pad in front of the passenger side cylinder head. but is often erroneously referred to as "Counter Engine", "Counter Date codes consists of a letter, 1 or 2 digits for the day, and 1 The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). the "CE" and year designation. Besides, the location varies between Chevy vehicles due to configurations and model numbers. stamped into the pad on the front passenger side of the block. If the year code is a single digit you'll have to use other block identification codes to confirm decade. 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. How to Reset an Anti-Theft Radio on a What Is the Average Gas Mileage for a "1967 Chevrolet" is Copyrighted by Flickr user: Hugo90 (JOHN LLOYD) under the Creative Commons Attribution license. Quickly, A = Chevelle, F = Camaro, X = Nova. Submitted photos by 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. Looking to get into the Automotive Industry? vehicle identification otherwise - it's not. and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. Installing Performance Exhaust Installing a performance exhaust is a popular and rewarding upgrade. Starting in 1970, the serial number is certainly stamped . It's been reported that beginning in 1970, if more engines were needed or "V" would indicate Flint, MI., "K" 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. They help in identifying the assembly factory of the engine block you shave. T- Tonawanda Engine Plant.