All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. SD-455 Identification:. The 5 hole blocks will fit the pre-70 chassis. he said no without hesitation cause he wants it to stay matching numbers. This information is useful to identify the manufactured year of an engine, where it was manufactured, product ID of an engine, as well as the engine capacity. And the last number is the year that the block was cast. The list below displays Vehicle Identification Numbers Belonging to PONTIAC GRAND PRIX cars. Displacement. Specifications for classic autos, antique cars, vintage cars, old cars and muscle cars - American cars 1910 to 1975 - over 33,000 models. The date code stamp is directly under the casting. Engine bore & stroke chart. Re: Engine Casting Block #3970010 02-13-06 03:25 PM - Post# 873996 In response to MikeB I got the casting number from the cylinder heads. From '64-'67 Pontiac used a small diameter (5. 4 compression, rated at 335 net hp @ 4800 rpm and 480 lb·ft @ 3600 rpm: this is considered by many to be the most powerful engine Pontiac. They are not a part of the normal Production of Pontiac as Pontiac did not officially offer a convertible until the 1991 model year. 6: 111: 543796: 2: 64: 215: 389: M: 02B: 8. This code will tell you the year it was to be used. Serial number is located by fuel pump on 29 - 37 engines. Beginning sometime in '68 Pontiac began stamping the last eight digits of the vehicle identification number (VIN) on the engine block. See the attached image for a better description of the location. Mistake on the engine code M, this M code comes out on the 1995 – 1999 Chevrolet Monte Carlo and the engine is an RPO L82 3. Not only did the engine carry a two- or four-barrel carburetor, it also featured compression ratios of up to 10. This is found on the distributor pad for 1964, 1965, 1966, and the first part of the year in 1967. Also fits 70 1/2 - 81 f-body. Pair LH and RH Ram Air D-port manifolds (shown with gray ceramic coating) Fits 68-72 GM a-body with d-port heads. you gotta have the the 2 letter code up front n casting date to ID a Pontiac engine. 75"), one piece four bolt damper was used. Generally, a casting date is located on the underside of the manifold, so. Other then the heads, the engine was just a stock 455, in fact, every 455 made other then the super duty, used the same crankshaft, rods, and block. Identifying a Pontiac automobile engine block casting numbers on the distributor pad allows owners to determine the date and size of the engine, and whether it's original to the vehicle. The 5 hole blocks will fit the pre-70 chassis. The 389 was the standard engine for the Pontiac GTO through 1966. Stamped Engine Serial Number. 1967 Firebird Engine Codes (1967 Pontiac Service Manual) 1968 Firebird Engine Codes (1968 Pontiac Service Manual) 1969 Firebird Engine Codes (1969 Pontiac Service Manual). New Blank Chevrolet Serial Number Tag Data Plate Chevy Id Vin Identification. digit),this where they ground off the Ram Air III last. These are usually easy to read by looking down from the valve cover. 40 V6, Even-Fire, Turbo Charged, Crank may have 5/8" or 3/4" Pulley Bolt Hole 25506818 1260877 25514290 1981-79 231 3. These are the first year for the 2:11 / 1. I remember being out on a secondary road driving the Olds powered rig one day behind a slow semi with just enough room to pass. The good 389″ Pontiac engines with three deuces that are in existence are in the hands of the “Pontiac” guys mostly. 1961- 1968 Bellhousing Identification Here is the 1961 – 1962 bellhousing GM Part #538090. 1st digit is the GM division number. Modern day VINs consist of 17 characters that do not include the letters I, O or Q. The second digit represents the year of the block. Well it was finally official, GTO had become its own model for Pontiac in 1966 and sales of the new GTO Model sky-rocketed. 1970 Pontiac Firebird. 1964 to 1969 Pontiacs engines were all 2-hole blocks. I am always getting phone calls from people with a bunch of engine casting numbers wanting me to help them identify engine parts. Casting Numbers. RECTANGULAR PORT - Valve size 2. 2 = Firebird 3rd digit is the model/engine number. It is found, just to the right of the oil pressure sending unit hole. Casting numbers can be used to identify most Pontiac crankshafts. This Pontiac Pegasus was one of the dreams of General Motors’ design chief, Bill Mitchell. Optional Equipment for 1964 to 72 Chevelles '68 -'72 A-body RPO Codes '73 -'77 A-body RPO. Most of the 3,500 workers affected will be moved to the new Delta Township, Michigan assembly plant in late 2006. Information contained herein was compiled from the Jeep parts manual, Jeep service manual, and various locations on the web and is NOT GUARANTEED TO BE ACCURATE. All the above information was taken from Pete McCarthy's "Pontiac Musclecar Performance" book. Not only did the engine carry a two- or four-barrel carburetor, it also featured compression ratios of up to 10. 40 V6, Even-Fire, Turbo Charged, Crank may have 5/8" or 3/4" Pulley Bolt Hole 25506818 1260877 25514290 1981-79 231 3. Then it was sent to the car plant and the vin stamp was added when assigned to a car. From ‘64-‘67 Pontiac used a small diameter (5. SBC Block Casting Numbers. V-8: Stamped on the right of the timing chain cover. 2 = Firebird 3rd digit is the model/engine number. 287 cid: 158037: 1955: 303 cid: 546313* 1969: 316 cid: 521560: 1956: 326 cid: 538211: 1963: 326 cid: 9773153: 1964: 326 cid: 9778840: 1965: 326 cid. The engine code, WQ however doesn't match up with codes supposedly used in 1970. You can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse box, vacuum diagram, timing belt, timing chain, brakes diagram. All blocks produced after 1970 have 3 holes plus the early 2 bolt set up. Page 1 of 2 - How to ID a Pontiac Engine - posted in General Engine (Non-Gen Specific): To identify a pontiac engine:1. SBC Block Casting Numbers. Pontiac Firebird: Won’t Start Cold – Causes. Select a valid country. I should of stuck to my gut instinct and put a OHC 6 in. Here you will find the date code and block casting number. Pontiac Engines, Early (1955 to 1979) Pontiac V-8 engine parts and engine building. Crankshaft Material: Cast Iron. At that time, the only "small" engines generally offered by GM were built by the Chevrolet division including the 140 cubic-inch OHC aluminum four-cylinder engine used in the subcompact Chevy Vega and a 250 cubic-inch inline six-cylinder then used in smaller Chevy, Buick, Oldsmobile and Pontiac models, whose design roots dated back to the 1962. The model is seating 5 people. 4:1 in the L36 to 8. There aren't too many visual differences between a 326, 350, and 400 cube engine, so for this verification you need to look up part number and casting numbers. We sell Aftermarket carburetors like Holley, Carter, Edelbrock, , Weber Conversion Kits,Weber Carbs and Weber parts and kits. I remember being out on a secondary road driving the Olds powered rig one day behind a slow semi with just enough room to pass. 1 SFI engine. BACK For a more complete and up to date engine codes and other information, try my search page. Replacement cranks may be a different part number or casting number than what came in the original engine. If you're planning to rebuild an engine you've already got, or you're considering a Pontiac V-8 purchase in the near future, there are some important engine block, crankshaft, and connecting rod information you should be aware of. a Turbo Regal as determined by VIN digit 8 = 7 for 1986/87 or VIN digit 8 = 9 for 1984/85 TRs). This is a work in progress and not guaranteed to be correct. Pontiac Firing Order Pontiac V8 PONTIAC HEAD CHART: CASTING NUMBER : YEAR & FACTORY APPLICATION: CHAMBER VOL# CC'S:. The United States of America and Canada require that the 9th position of the Vehicle Identification Number is to be used as a check digit to provide a means for verifying the accuracy of the VIN transcription. number as well as the part number and i. Any casting number used on 312 blocks was also used on 292 blocks. Count the number of turns it takes to re-tighten and back off 1/3 that number of turns. Just a few years ago, A 1963 SD Tempest was located in a Michigan ministorage. This site is for Corvette C3 enthusiasts and has lots of information pertaining to Corvettes built between 1968 and 1982. 1964 GTO Cylinder Head Applications & Casting Numbers. The 2 D N. The Oldsmobile factory-production small-block cylinder heads are identified by a number cast into the front lower portion of the head next to the number-1 and number-8 cylinders. litre bore cyl. Unfortunately, I chose to go the SBC route. A new 301 Pontiac short deck engine joined the line-up along with some other "corporate engines", such as the Olds 403 and the Chevy 305. There are many websites that have partial listings of Chevy Small Engine Block Casting Numbers, Engine Assembly Codes and Partial Engine VIN Codes. Pontiac Automotive Cylinder Heads Remanufactured & New Cylinder Heads for Pontiac You may browse the list of Pontiac cylinder heads below or use the search form below to find the cylinder head for your specific Pontiac vehicle. Having said that, the engine number should be on the top of the block. The Pontiac was superior in the heat with a tank full of ethanol. That's because it is. Pontiac used the same codes on different year blocks. SBC Block Casting Numbers. Obviously, if the VIN# on the block matches the VIN# on the car, and the 2-letter block code is for a 400, you at. Pontiac varied the compression with heads, from 10:1 down to 7. Usually a casting number is changed because of a design change. 22337 is the model number. GMPartsCenter. on the Bellhousing Flange Right Side standing in front of the Motor. 2009 Pontiac G5 uses 24 - 25 miles/gallon of gasoline in the city. Modern day VINs consist of 17 characters that do not include the letters I, O or Q. Count the number of turns it takes to re-tighten and back off 1/3 that number of turns. This is found on the distributor pad for 1964, 1965, 1966, and the first part of the year in 1967. Click here for more information. Reproduction of classic vin tags, Id plates - Engraved & embossed as per original plates. Mistake on the engine code M, this M code comes out on the 1995 – 1999 Chevrolet Monte Carlo and the engine is an RPO L82 3. Together, all the VIN numbers create a history about your Pontiac. After the engine identification letter, the 1st number gives the load capacity: 1 for 1/2 ton. Engine Serial Number Rule (7 digits) Starting June 1, 2012 the engine serial number will have 7 digits (currently 6 digits) and will be completely unique. This is a work in progress and not guaranteed to be correct. Page 1 of 2 - How to ID a Pontiac Engine - posted in General Engine (Non-Gen Specific): To identify a pontiac engine:1. 123456 = Production Number. Check this site out for various locations of codes. Some have a long string of numbers, some have 2 or 3 numbers, and yet others(low compression, large chambered from the '70s) are alphanumeric, a number or two and a letter cast into the head. A 150 hp 235 engine was used in the 1954 Corvette and into 1955. You can also find other images like wiring diagram, parts diagram, replacement parts, electrical diagram, repair manuals, engine diagram, engine scheme, wiring harness, fuse box, vacuum diagram, timing belt, timing chain, brakes diagram. Also fits 70 1/2 - 81 f-body. The engine is complete with all accessories,carb,dist, etc. Casting numbers for Chevrolet big-block engines uniquely identify the engine type and intended use of the engine and may contain additional information about the engine's unique features. In a 1969 GTO Judge, the vehicle identification number (VIN) plate is located on the top of the instrument panel and can be be seen through the windshield on the driver's side of the car. U-furnish vehicle serial number. The date code, L017, breaks down as follows: December 01, 1967. See Pontiac Engine Cooling for more information. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. It can get better though! If you have any original paper work for the car, the VIN on the paper work should also match. Pontiac varied the compression with heads, from 10:1 down to 7. I only have the single carb setup and was just trying to confirm the casting numbers on the 3 intake manifolds I have and if one was correct to use over the others. Together with the casting code and casting date you can determine what the engine is. All Ram Air heads got the oval shaped exhaust ports while 400's in lesser Pontiacs had traditional "D" shaped poats. TTi requires the manifold casting numbers off of each manifold to ensure that we supply you with the correct bend necessary for your application. GENERAL MOTOR CORPORATION The following information should generally enable you to identify the make or manufacturer of GMC 350 or 455 C. click image for larger view. GM CORPORATE 10-BOLT This 10-bolt, with a larger 8 1/2-inch ring gear diameter, replaced the Dana 44 that was used in the front of some pre. The Pontiac was superior in the heat with a tank full of ethanol. Sales Department Open 9 am to 6 pm EST Monday - Friday; National Carburetors, Inc. Hence; a 36 block #836010, has a full water jacket, Dipstick and oil filler on left and Serial number by fuel pump. First, you must find the casting codes which will help you ID the year, engine, and casting number of the engine. The main case casting number was used for either a specific year or series of years. The date code, L017, breaks down as follows: December 01, 1967. HOW TO FIND YOUR ENGINE SERIAL NUMBER 3 Family 909 Engine D909L01 D 909 L 01 Diesel engine Number of cylinders Engine family The engine identifi cation plate C is locat-ed on the crankcase. 1967 Pontiac Firebird Convertible. The large flat area on the main body just above the secondary throttle shaft has a series of numbers stamped into the casting. 6: 111: 543796: 2: 64: 215: 389: M: 02B: 8. Serial number is located by fuel pump on 29 - 37 engines. Instead, seek your casting date. Complete Engines Featuring Pontiac Performance. The 215's power rating was 140 (gross) hp, which was exactly the same as the Chevy 230's power rating. 4:1 in the L36 to 8. Decoding this casting number says 1969 (C9) design date, Lincoln Continental (V), Engine (E), revision A, and according to the guide, belongs to a 429 or 460 cubic-inch big-block Ford with 2-bolt mains. Pontiac head code links: Since I don't have head code info, here are some great links:. Pontiac 400 428 455 Engine Codes. They mean No Cracks. If you're planning to rebuild an engine you've already got, or you're considering a Pontiac V-8 purchase in the near future, there are some important engine block, crankshaft, and connecting rod information you should be aware of. Obviously, if the VIN# on the block matches the VIN# on the car, and the 2-letter block code is for a 400, you at. You are not going to find to many good used 389″ Pontiac engines out there anymore. You can find out a lot about your car or truck if you are able to read and decode its VIN number, and that's why we are going to show you how to do just that. It is estimated that 300 dealer ram air packages were sold for 66 GTO`s. Casting # Years made Valve Size HP levels used for Chamber Size / Notes; 3782461: 61-70: 1. Reluctor Wheel: 24X on the 2005 Corvette and 2005-06 GTO. Identifying heads (engine size and year), however, can be a difficult job. The 215's power rating was 140 (gross) hp, which was exactly the same as the Chevy 230's power rating. This was called “reverse flow” and was a selling point for Pontiac engines. It has a GM casting. Search My Phone number to see all my Listings **contact number** cell I will be updating the information below as I check each component for any Issues, so check this Listing weekly for any & all changes or updates. The intake manifold is proprietary to the LT1, however, a standard small block Chevy intake can be modified to work. CAD-350ATChevy (Also Available with BOP Pattern). In the first year, two versions were available; the 4-barrel 250hp and the 280hp equipped with 3-2 barrel carburetor's. 22337 is the model number. Crankshaft P/N: 12569768. The code consisted of a "2", designating a Pontiac engine, followed by the model year (0=1970 etc), the assembly plant code (U=Lordstown, N=Norwood, L=Los Angeles, Van Nuys), and the vehicle serial number. Search by Keyword. 9" diameter with 166 tooth ring gear and 2. Engine Casting Code: The casting code is a code specific to the vehicle's year. The compression ratio is a single number that can be used to predict the performance of any internal-combustion engine. CHANGING INVENTORY OF 150-200 BLOCKS AND HEADS TO CHOOSE FROM: 265/283/327/350/ Key Benefits. In this photo you can also see the engine block casting number located just right of the oil fill tube. Then under it is CHS YC 030. ENGINE BLOCK: Identifying the 65 400 block couldn't be simpler. Builds the BEST stock to the highest Pontiac torque monsters on the planet. Various Pontiac production and assembly line pictures gathered from around the web, from fellow Pontiac enthusiasts, scanned in from various books in my library, High Performance Pontiac, and other Pontiac media. We are happy to show our customers the engine casting number, VIN numbers, tags, engine stamping, and transmission codes, we DO NOT GUARANTEE that the motor or any other part or component is in fact the original or that it is correct for this car. 1966-67 Pontiac engine codes decoder reveals the code prefix, engine performance, displacement, and configuration. Reliable sources however indicate that in all 178 1962 Pontiac Super Duty's left the factory, 162 were outfitted Catalina's and 16 were outfitted Grand Prix's. Both were in Michigan. They do, however, usually have a casting number. Short style small block water pumps were used for engines in Camaros in 1967 and 1968. Please refer to the “GMC ID” page link, at the. 00 OFF WHEN YOU ORDER OUR X-CROSSOVER EXHAUST SYSTEM WITH OUR FACTORY HEADERS! OPTIONAL CERAMIC COATING: Castings are port matched to Pontiac Blueprint then thermal barrier ceramic coating is applied on interior and exterior. Other numbers cast into the block include D199, CON2. Pontiac V8 Engine History: 1955-1981 February 19, 2015 by Pontiac DiY The Oakland Motor Car Company was founded in Pontiac, Michigan, in the early 1900s, and within a few years, it became a division of the newly formed General Motors Corporation (GM). Madison St. From '64-'67 Pontiac used a small diameter (5. WH = Engine Code. Reference: Chevy Engine Block Casting Numbers By Bobby Kimbrough September 19, 2013 The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic, and for a V8, smaller engine block. Big Block Chevrolet Engine Block Casting Numbers Big Block Chevy 366 396 402 427 454 Block Casting Small Block Chevy 265-350 Small Block V-8 Passenger Car Bellhousing Part Numbers. The letter is the month of manufacture- A=Jan. Many Pontiac 350 cubic-inch engines exist, however, only a select few are the 350 high-output (HO) model. 6-Cylinder: Find code stamped on cylinder head contact surface of the block behind the oil filler pipe. All LT1 engines use center bolt valve covers. Here they are presented from the earliest to the latest per Alldata garage bulleti n subscription I subscribe to:. 6 55-60 INT MAN 538177 61-62 389 62 D-Port 1. Making it correct for that car. I don't know where it is on a 458 but maybe someone who knows can post it. 1966 Pontiac GTO. Paper work that may match could include: Broadcast sheet(s) Consumer information sheet. Serious people only thanks. The oldest castings have a lower number and the latest production castings have a higher number. The VIN stamping is all wrong, it sounds like a block that may have been rebuilt by an aftermarket rebuilder with their own number. "Main Caps" is the number of bolts holding the cap. Block date code is K047 Stamped engine code is PWH. The VIN plate is located on the upper horizontal surface of the firewall in the engine bay. Finding Buick 455 Engine Codes and VIN. Pontiac Firing Order Pontiac V8 PONTIAC HEAD CHART: CASTING NUMBER : YEAR & FACTORY APPLICATION: CHAMBER VOL# CC'S:. Engine identification numbers are very important for engine repairs. Identifying a Pontiac automobile engine block casting numbers on the distributor pad allows owners to determine the date and size of the engine, and whether it's original to the vehicle. As with ALL 61 to 64 Pontiac big car bellhousings, the manual transmission mounts at a 15 degree angle to being straight. you gotta have the the 2 letter code up front n casting date to ID a Pontiac engine. In this photo you can also see the engine block casting number located just right of the oil fill tube. These carburetors do not follow the identification numbers of previous years; they will start with either 1705 or 1708. Pontiac Casting Numbers. The W72 400ci engine received a 10% horsepower boost, now rated at a respectable 220hp. ) and sometimes a little more. The pan rail VIN for a Hammy car with this engine would be 1BXXXXXX 1 being the model year 1971, B car plant is Hamntramck then X the last 6 of the cars vin. 1st digit is the GM division number. Can anyone confirm that 1) it is a Canadian engine. They do, however, usually have a casting number. 2 = Firebird 3rd digit is the model/engine number. click image for larger view. 550" lift, expect to turn it 5,500rpm. Pervious Pontiac engines circulated water though the heads first, then into and through the block. SD-455 Identification:. Quality Rebuilt Pontiac Engines From Rebuilt. Like the Pontiac Straight-8 engine it also featured full-pressure oiling and insert type precision main and rod bearings. The 1960 Pontiac Ventura mechanics, including its wide range of engine offerings, were shared with other cars throughout the lineup. Pre-1964 cranks must be machined to fit Turbo Hydramatic torque converters. At that time, the only "small" engines generally offered by GM were built by the Chevrolet division including the 140 cubic-inch OHC aluminum four-cylinder engine used in the subcompact Chevy Vega and a 250 cubic-inch inline six-cylinder then used in smaller Chevy, Buick, Oldsmobile and Pontiac models, whose design roots dated back to the 1962. Some of these heads flowed better than others. The VIN stamping is all wrong, it sounds like a block that may have been rebuilt by an aftermarket rebuilder with their own number. Pontiac and Chevrolet This site is devoted primarily to the Pontiacs and Chevrolets assembled by General Motors-Holden (Australia). Remanufactured engine pricing and I. A ENGINE CYLINDER HEADS CASTING NUMBER: There are basically only two different cylinder heads that have been used on the "LA" engines from 1964-1984 a small port 273-318 and a big port 340-360. Chevrolet Fullsize Casting Numbers. This number contains vital information about the car, such as its manufacturer, year of production, the plant it was produced in, type of engine, model and more. and other things laying around I hope you'd like to buy. 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. However, these codes were used over from year to year. 1995 Bonneville, Eighty Eight, Ninety Eight, Park Avenue, Riviera with Supercharger. Pontiac GTO, Pontiac Lemans, Pontiac Tempest, The best source for GTO books, GTO parts, GTO pictures, GTO links,production numbers and Vin Decoder 1970 Pontiac GTO Production Figures and Specifications. The Pontiac Fire Department would like to thank everyone fro the support we received on September 14th, 2019 while operating the structural fires on the 100 block of E. ENGINE CASTING NUMBERS. Pontiac varied the compression with heads, from 10:1 down to 7. Some cases may look identical and have a different casting number but have the same GM part number. Pontiac GTO, Pontiac Lemans, Pontiac Tempest, The best source for GTO books, GTO parts, GTO pictures, GTO links,production numbers and Vin Decoder 1966 Pontiac GTO Production Figures and Specifications. 1967 Pontiac Firebird Convertible. See attached images for a better description of this location. Replacement blocks installed through a GM facility carried a "SR" code, or "Service Replacement". 50 valves?. One year warranty. Click here for more information. #333882 I'd have to guess that this engine is the 350 from a caprice or ? Does this head have 1. Starting in 1965 Pontiac began using a 2 digit letter code. The engine displacement race was escalating by 1968, and the 326 grew to 350 cubic inches, ensuring that Pontiac would remain competitive against the 350s from Chevrolet, Buick and Oldsmobile, and Chrysler’s 340, thus ending the reign of the 326 as Pontiac’s midsized mainstay. Valve covers for 340 engines were different than 318 valve covers. 6-Cylinder: Find code stamped on cylinder head contact surface of the block behind the oil filler pipe. 2L Supercharged and intercooled engine with 620 hp and 600 ft lbs of torque. Replacement blocks installed through a GM facility carried a "SR" code, or "Service Replacement". All Engine numbers start at 1001. I am always getting phone calls from people with a bunch of engine casting numbers wanting me to help them identify engine parts. Each of the positions in a VIN describes a specific aspect of the vehicle. The second digit represents the year of the block. As any classic and vintage car collector knows, prior to 1980 there was not such a thing as a formal VIN (Vehicle Identification Number). The traditional Pontiac V-8 engine's short block has some unique characteristics. After reading, I decided I should stay with the benefits of a dual-plane style. Casting numbers for Chevrolet big-block engines uniquely identify the engine type and intended use of the engine and may contain additional information about the engine's unique features. Chevrolet Big Block Cylinder Head Casting Numbers. I actually went through several lists and made some corrections before making this list. Pontiac 2+2 Parts. A vehicle identification number, or VIN, identifies your car. Here is a pic of a 72 Buick 455 removed from a 72 Electra. Prior to 1980 there was not an accepted standard for these numbers, so different manufacturers used different formats. This code will tell you the year it was to be used. It’s all in the engine code (sometimes referred to as engine number) or vehicle identification number (VIN). Turns freely with socket on balancer bolt. The VIN number plate can be found on 1964-1967 Chevrolets by looking at. Pontiac Chassis Catalog Pontiac Full Size Parts. Like the Pontiac Straight-8 engine it also featured full-pressure oiling and insert type precision main and rod bearings. Unfortunately, I chose to go the SBC route. Having said that, the engine number should be on the top of the block. The Turbo-Hydramatic or Turbo Hydra-Matic (THM) series was developed to replace both the original Hydra-Matic models and the Buick Dynaflow. No other models ever offered the ohc6 as an engine option. The Pontiac Fire Department would like to thank everyone fro the support we received on September 14th, 2019 while operating the structural fires on the 100 block of E. Once the casting number is located, it is possible to find information about the engine by decoding the casting number. To get great performance out of any engine, the components must work together. Of the four, perhaps the most intriguing was the Formula 400. Generally, a casting date is located on the underside of the manifold, so. Here we teach you how to read GM engine identification numbers, VIN numbers, and GM engine block casting number on all kind of GM cars. Small Block Chevy LS Cylinder Heads by Casting Number 10215339 – LS Small Block V8 1997 346, LS1, aluminum, 68cc chambers. The casting numbers and engine ID is the true way to tell. It has no correlation to the VIN. Here is a 1956 block. The Pontiac engine has long been recognized as being a good engine for making a lot of torque at a relatively low RPM. Going back through time to the first half of the 1920’s and earlier, most Ford Model T’s of which some 15 million were produced between 1908 and 1927, didn’t have a serial number stamped or placed on the vehicle’s body. A list of block casting numbers is located < click here >. 5L I4 engine. The good 389″ Pontiac engines with three deuces that are in existence are in the hands of the “Pontiac” guys mostly. Some have a long string of numbers, some have 2 or 3 numbers, and yet others (low compression, large chambered from the '70s) are alphanumerica number or two and a letter cast into the head. Date Codes: J23= October 2,1963 D083= April 8, 1973 (or 1963 !!) The letter is the month, followed by the day (one or 2 digits) and the last number is the year. As these motors typically do not turn a lot of RPM for a variety of reasons, they do not make good maximum HP numbers. Now then, no more guessing! 3. Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. In a Chevrolet which didn’t begin a numbers matching system until 1960 the numbers don’t gel as well as a Pontiac. 2) what the displacement is. The date code is a three- or four-digit code that always starts with a letter, which represents the month the block was cast (A = January, B = February, C = March, and so on through L = December). Good day members,I have a 1970 455 pontiac engine that I would like an idea of the value. Pontiac offered the 389 engines in a wide variety of horsepower ratings. The block casting number is located on the right side (passenger's side) of the engine block below the cylinder head surface and identifies the model year for the engine block. This concept car is powered with Ferrari V12 drivetrain, hardware and gauges. Notice the casting marks indicate "3. When I looked it up on Wallace Pontiac Racing website most of the YX coded engines had a casting number of 481988 and not 9799914. Chevrolet- passenger cars V8 cylinder YEAR Vin Cyl APPLICATION BLOCK CASTING CRANK CASTING HEAD CASTING; 1: ZR-1, DOHC, 32 valves, aluminum engine. After the engine identification letter, the 1st number gives the load capacity: 1 for 1/2 ton. Casting # Years made Valve Size HP levels used for Chamber Size / Notes; 3782461: 61-70: 1.