Pontiac engine casting codes. To find where the Engine code/id can be found.

Pontiac engine casting codes “455” stamping on drivers side front of engine, click That is where you would need to check (if your block is 1967 or later) the area around the timing cover, where Pontiac started casting the VIN into the block. ) 22P100001 -Engine VIN Code added late 1967. 1972 LeMans 350 Engines made in 1969 and 1970 have a two-digit code to identify their year of manufacture, and the location of the casting code can also be a clue to the year the engine was made. 77: 72: SCREW IN STUDS – TALLER VALVE SPRINGS- D PORT: About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Check the Hotrodders Knowledge base, it has some good sites that give you the low down on Pontiac casting numbers, suffix codes and cylinder head information. 6 111 536109 01-Feb 7015073 Std. Trans. Misc 1960 389 215 HP A2 M 8. The engines feature a cast-iron block and head and two valves per cylinder. Wallace racing site will decode. Manual. Date Codes: J23= October 2,1963 D083= April 8, 1973 (or 1963 !!) The letter is the month, followed by the day PontiacRegistry. Also, Google casting # for where to look on Pontiac 400 for casting #. (2=Pontiac, 2=Model Year, P=Pontiac Assembly Plant, 100001=Last six numbers of the car VIN) Engine Code Legend. To see where the block code and date code are Pontiac used the same codes on different year blocks. 72 I too came across this discrepency but found on Wallace Racing's Pontiac Engine Code Search 1969 400 370 HP WW M 10. engine Engine Codes Q&a: 1969 pontiac firebird vin decoder Pontiac 400 428 455 engine codes — patterson The engine and major component casting dates should pre-date the vehicle build date by anywhere from a few days to several months, depending on the assembly plant location. On the Pontiac 400 or 455, you can look on the passenger side of the engine block, just below the heads for the engine code. My block is a YC 455 from '73. 6:1: 256: Manual: 91: 254: 2 bbl: WB This books is your comprehensive guide to over 25 years of Pontiac V8 Engine Codes & Casting Numbers. If you know the code number, try my new head search. This books publish date is Unknown. 2003 2004 2005 . Casting number "9790079" Engine code "694880 YJ" Date Log in or Sign up. By Charlie Petty October 4, 2024 in Pontiac & Oakland. It was published by Mark S Allen and has a total of 96 pages in the book. Login | Register. Also, the 0173348 stamp on the front Learning how to identify and decode Pontiac engine blocks can save you a ton of money, time, and headaches. To differentiate them it will have to be determined what year the block is. 2 KB Views: 649. And no, Pontiac never made a BIG BLOCK *arrgghh Pontiac engine gto motor 1965 power blocks 400 v8 identify tri hagerty horning reggie 1970Pontiac 400 428 455 engine codes — patterson coachworks Casting number head block engine numbers 1957 exhaust pontiacsafariIdentify pontiac engine casting firebird Check the vin code on the front passenger side of the block next to the timing cover for the year of the block. 1968 Engine Identification Codes. Shipping is to the 1966 Engine Codes ; Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: WA : 389: 8. It has no correlation to the VIN. As a general rule, “W” coded blocks are manual What Pontiac did was create a new casting number for their 400 engine block and added some nice pieces to improve the engine. Below is a link to Wallace Racings engine code list, it's 99% complete & correct. 24@118. Save Share / 1968 Pontiac Firebird Information / 1968 Technical Information / 1968 Drivetrain ID Number Information. The date code off the rear of the block at the distributor will halp narrow it down YH B-body 70 455 360 Turbo 400 L-75 1x4 9799140 4 HO YH B-body 69 428 360 Turbo 400 1x4 9792968 2 int seat The main numbers you need are the date code[most important as Pontiac re-used the front block codes over and over throughout the years]. 11" intakes, 1. Carb. Hope this helps. Description WC = Engine Code. Disp. To find where the Engine code/id can be found. As you can see in the diagram at right, the number is behind the lower radiator hose next to the timing chain cover on the front passenger side of the block. This can be found on the distributor pad. ENGINE CODES : 1962-63 - 1964-65 - 1966-67 - 1968-69 - 1972-73 - 1974-75. In the above photo of an what might appear to be a stock engine (to some) in a 1956 Engine Codes & Production Figures. engines remained. Production Date Code on the block. 3. d engine. And lastly a new section for decoding all of those engine, heads, intake, etc. Save Share For engine code ID, I use a well worn copy of Pete McCarthy's "Pontiac Performance 1955-1979". Engine Specs Cam Specs Head Specs . you gotta have the the 2 letter code up front n casting date to ID a Pontiac engine. The block casting number, 9790071, is for a 1968-1969 400 engine. The "670" It all started in the late 50’s with the introduction of the Wide Track Pontiac. Look for the 500557 casting number on the cast area coming up from the oil filter hsg mtg. build. The speculated reasons why range from different metallurgy to 4 bolt mains. com :: magazine contentsHelp with engine code id!! the gm block casting # 481988 was used on 400 engines from '67 -'78. pontiac engine decoder year code c/i hp tran carb car misc 1962 13b 421 3 m 2 x 4 full super duty 1962 13u 421 4 m 2 x 4 full super duty 1962 bu 421 4 m 2 x 4 full super duty 1962 bt 421 4 m 2 x 4 full super duty 1962 89z 195 s 1 tempest 1962 88z 195 s 1 tempest export 1962 87z 195 s 4 tempest spec. Selecting the right block for your 400 build can Engine Code Chart. Easy-to-cast block construction to keep costs. . Date Codes: J23= October 2,1963 D083= April 8, 1973 (or 1963 !!) Search for Pontiac Engine Unit Numbers (Pontiac Engine Serial Numbers) As You Go Thru Life DO A WHEELIE !!! Home EUN Input Form To see all the entries, just click on the Submit button with all the inputs blank. Enjoy your Pontiac hobby at the only 24-7 Pontiac Club that brings you Pontiac News, Pontiac Information, and Pontiac Entertainment at the speed of light. Next to the distributor hole there is a casting number that has a letter with 2 or 3 numbers. I surfed the Pontiac Hunters link you put up & noticed quite a few errors. What I have read, the "C" is really a chipped zero on the dye. Search Interface: Year: Engine Code: Engine Date Code: Block Casting Code: VIN: Engine Unit Number: The YS block was (also) used in the 1969 GTO and was a 400CID 4bbl with 350hp and an Automatic Transmission. This books is your comprehensive guide to over 25 years of Pontiac V8 Engine Codes & Casting Numbers. 62's were not used on '69 GT0 RAIII engines, those all had 48's just like '69 WS RAIII engines & base 400 manual trans GTO engines, code WT. This is to match the casting number in the table above not to be confused with the 60s. To make matters more confusing, the date code Pontiac locatingPontiac block identification How to identify pontiac engine blocksPontiac v8 engine codes and specs. YC 455 blocks with a casting number of 485428 were used in '71, '72 This document provides specifications for engine heads used in Pontiac vehicles from 1960 to 1979, including the engine size, horsepower, head casting number, intake and exhaust diameters, and combustion chamber volume. They also cast the engine size on the sides of the block,usually in front of the motor mounts or between the Year CID HORSEPOWER Code 1964 326 280 HP 94x,970 389 230 HP 04L,05L,08R,09R '59 - '79 PONTIAC V8 HEAD CASTING NUMBERS Year CID HORSEPOWER Casting# Valve Size Here are 2examples: The block is a 69 428. 6:1: 215: Manual: 543796: 111: 2 bbl Johnny US Army Retired 1978 T/A 463 Pontiac, KRE 74cc 300CFM D-ports, Howard's custom SFT, Nash Intake,QFT 950 E85 carb, TCI TH-350, 4200 converter 3. What gives? See pic. 42 30 spline Eaton posi street car. It tells you: Casting Numbers for Blocks, Heads, Intakes, Exhausts and Water Pumps along with Original Pontiac Engine Codes listed by Code or by Car for Car, Year, CID, HP, Tran, RPO, Block and more. MI and was used by Pontiac for inventory (parts) and warranty control. Advertisement The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. The code on the block is a YH (only 428ci seemed to have the YH). Code Cyl. YC would indicate an automatic transmission (a Th400) for either an A, B, Or F body car in 71. The engine code decoder reveals the engine displacement, plate location and configuration. Casting pontiac block blocks number information numbersPontiac 400 428 455 engine codes — patterson coachworks Block codes are were now dated ex. With legendary engines like the Super Duty and cars like the GTO and Firebird. The VIN is incomplete, and the parts missing tell us what car the Beginning sometime in '68 Pontiac began stamping the last eight digits of the vehicle identification number (VIN) on the engine block. 33mph 1981 T/A 4-speed 406 Pontiac, Merrick ported 6X heads, Comp 270S cam, Crosswind intake 750 Street Demon, 3. The blank casting number for the 1977-79 400 is #568557. pulled Customer: i have a pontiac motor, blk vin#29r120578,casting code(NNN) NNN-NNNNblck code#0264300 YH, 428 IS EMBOSSED ON THE SIDE OF THE BLOCK ABOVE STARTER,3 freeze plugs, date code #k148. Pontiac Engine ID Help Needed. 92. You can get closer by looking at the head casting number, but the better way is to look at the date code on the back of the block by the distributor. Pontiac assigned all new engine codes to differentiate late-1973 engines from their early year counterparts and painted them a darker shade of blue to boot. Jump to Latest The second engine casting code didn't show up, so it may be a later casting. The 455 is called an HO engine in the GTO where 71 and later had both a "standard" lower HP version or the higher HP "HO" engine with the aluminum intake. I do not have access to the partial vin info. Most of the time, however, both date codes and casting numbers are found on the heads. 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 base engine for the '69 Bonneville was the YH coded 428. Note that these are the high performance manifolds only. The workers at the engine assembly plant built the engines per the recipe for Pontiac made the same pan for 4 and 5 quarts, they just put in a different dip stick. V-8: Find code stamped on the block in front of the right bank of cylinders. GM FoMoCo MOPAR Gaskets Ignition & Small Electrical Items Light Bulbs Pontiac 400 428 455 Engine Casting Numbers; Pontiac Cylinder Head ID Numbers; This is a Pontiac engines have block codes. The heads more than likely would be code 4X (on the center exhaust ports) and would have 2. Cliff's notes version: Perform these steps in this order - the sequence matters. FYI: In 1977, only the 350 and 400 c. Pressure-suction crankcase ventilation. Pontiac, V8 number & code guide, Casting numbers & ID codes for the Pontiac Division, V8 engines. transmission, axle, carburetor, distributor, and head casting identification codes and information in this section. Pontiac Engine Decoding. Casting number - good. As far as I know, those were originally built with 2-bolt main bearing caps. Wallace racing's pontiac engine searchHow to identify pontiac engine blocks Engine block pontiac code where date codes rear racing find search wallaceEngine If you can get a copy of Pete McCarthy's book on Pontiac Muscle Cars he has quite some detailed descriptions of what to look for to identify individual engines. s100_1804. The YS code indicates a 335 HP 400, automatic, found in the Tempest/GTO body. Casting numbers for a 1963 possibility are: Engine 389 543680 Engine 326 538211 Heads 389 543796 or 543797 Heads 326 543797 or 546232 Intake 389 9770263* Intake 326 9770263* *2bbl of course. The block date you provided shows the block cast as April 11, 1967. This view shows the positioning of the engine production number (which does not match the VIN) and the block code. The only year it wasn't a 389 or 400 was '74. The block cast number should be 9778789. One source lists them available but have They started casting them in '68 for 428's, '70 for 455's and 350's and '71 and later for 400's. The Casting codes for 1955 to 1963 will be found found on the passengers side of the block. Late in 1977 Pontiac produce 400 blocks with only 3 motor mount holes. 6 111 [] Block codes are were now dated ex. The Pontiac 400 block was cast with revised motor mount bosses, and will only mount in late Firebirds or Grand Prixs. 1966 pontiac gto 389 cu. 2 KB Views: 642. Pontiac Engine Codes Here's all the YN coded Year Engine HP Engine code Trans CR Cam Head Code BBL Carb No. This code will tell you the year it was to be used. It has numerous notes pencilled in on a few of the engine code pages, as well as a 1969 Engine Codes Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: MM : 400: 8. 77: 75: PRESSED IN STUDS – UNIQUE OPEN CHAMBER: 1967: 400 4bbl RA I : 97: 2. Get the block casting code to identify what it is (350,400,428,455 --- etc. 1964-1978 Pontiac Engine Codes Search for Pontiac Engine Codes As You Go Thru Life DO A WHEELIE !!! You Searched For: 1044 Matches Found (displaying 1 to 25) Pontiac V8 Engine Factory Casting Number And Code Guide - 1955-1981. The casting codes for 1964 to 1967 will be found on the distributor pad, except the 421's. All 455 blocks have a 5 hole pattern and will fit pre 70 chassis. Chart to mill Pontiac Cylinder Heads. A local guy has a 9799914 YS block that he says is a RA3 engine. 5: 2: 1978: 301: D Port 70-81 ENGINES CODES . Together with the casting code and casting date you can determine where Hello Friends, my father in law has asked me to try and sell a Pontiac 350 motor (turbo 350). 25/04/027 Library of Congress TL215. Check around on your block for casting #’s once you believe/decide it is a 400. 8:1: 255: Manual: 11: 254: 2 bbl: WA: 455 1970-71 Pontiac engine codes decoder reveals the code prefix, engine performance, displacement, and configuration. ) The two I have that I mentioned above are both casting # 9790071 - "garden Pontiac Engine Production Casting Numbers ; 1955 Displacement: Casting Number: 287: 518037: 1956 Displacement: Casting Number: 317: 521560: 1957 Displacement: Casting Number Casting Number: 350: 9790079: 400: 9790071: 400 Ram Air IV (4 Bolt) 9792506: 400 Ram Air V: 9792968: 400 Ram Air V Engine Block Codes; Casting Codes; Head Codes; Intake Manifold Codes; Exhaust Manifold Codes; About; Similarly to the intake manifolds, Pontiac exhaust manifolds also have codes cast in to them. H. 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. Post This Book. Code Once the year and displacement are established by the engine casting number, the two-letter engine code will tell the original hp and application. It appears that they have contradicting casting # info for the 69 RAIII GTOs. They do, however, Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8. So, to make a long story short, get the block casting date code, and the block code under the front passenger side head[two letters,unless it's an old 64 or older block, then it will usually have two numbers followed by a I think I am looking at a 1965 GTO Engine but I want to make sure. Those are only in California engines which this engine is. A pro¬fessional paint gun provides the best results because of its superior From 1967 to 1979 Pontiac engines used the same pushrods, Rocker arm, and valve covers. 72: 1. Code Prefix. 7H1 would be the correct Heads. Seems reasonable so far. 0scr 067 cam 13 heads Block Casting 9799914 Wallace shows that this casting number is a 1970 block and the same casting was used for RA engines, but they were WS & YZ codes. The date code, L017, breaks down as follows: December 01, 1967. 23X123456. This block code is 2 characters on most V8s and identifies the engine/transmission combination. Here is more info to go through on the ID of your car: https: I have a pontiac motor, blk vin#29r120578,casting code block code#0264300 YH, 428 IS EMBOSSED ON THE SIDE OF THE BLOCK. PONTIAC : 1970. 1978: Distributor Codes Distributor Codes Search Alternator Codes Alternator Conversion Pontiac Engine Theory Pontiac Valve Lash Setting Drag Racing Leaf Spring Suspensions Ultimate Flow Testing of Pontiac Heads Speedo There are also block casting numbers and head casting numbers that we can delve into more, but the block casting date will help nail down what year of 389 or 400 big car block has been installed. He described it as a typical number-485428 casting with 4-bolt main caps, an Engine Serial Number (or ESN) of 515897, a VIN stamp from a 1973 Firebird, and a cast date of June 14, 1972. Engine Code. The engine’s casting codes provide a lot of information. Engine block and cylinder heads were cast at Saginaw Metal Casting Operations then assembled at Tonawanda Engine before delivery to All the PONTIAC engines codes from 1955 to 1981 To answer to visitors questions, here you can find all the pontiac engines codes, all car, all years, not only firebirds. R. 1965 Engine Codes Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: WA : 389: 8. Yes 485428 is the casting number of a 455, but this casting was used from 71 to 74. / 1968 Pontiac Firebird Information / 1968 Technical Information / 1968 Drivetrain ID Number Information. 123456 = Production Number WC = Engine Code 1 Air Note: Conflicting information for following codes. I have these codes, would apreciate any help. 98. Find engine, transmission, axle, carburetor, distributor, and head casting identification codes and information in this section. T. guess at a '76 or '77 350, not a 400 (You can check the numbers at Classical Pontiac - under the Restore option is an engine code database). 6:1 265 Manual 142 254 2 bbl WA FullSize 400 8. 6: 111: 543796: 2: 64: 215: 389: M: 02B: 8. Number of pages 96 ID Numbers Because of its position, the only way to see this number with the engine in the car is from underneath. Together with the date code, located either on the side of the head or by the rocker studs, you can determine the 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. The "670" heads are correct for your engine block code, YS. Year: Engine Code: Engine Date Code: Block Casting Code: VIN: Engine Unit Number: Car Model: Plant: Body Build Date: Misc-YJ---0157146----" -YU---0484563----" -Y4 To identify a pontiac engine: 1. Carb code should 7042062. Here is my brother's 1967 400 - this is a July casting so right at the end of the 1967 run and transition to the 1968 models which put the casting code on all engines from 1968 on as you see here. I'm old school & over the last 30 years have logged in a database multiple thousands of original Pontiac performance engine's block codes/casting dates/assembly Pontiac gto engine codesEngine code pontiac block help numbers gto Pontiac 400 428 455 engine codes — patterson coachworksPontiac 400 428 455 engine casting numbers — patterson coachworks. 1969 Engine Codes Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: MM : 400: 8. Beginning sometime in '68 Pontiac began stamping the last eight digits of the vehicle identification number (VIN) on the engine block. The Pontiac Historical Society documents for your car should have the build info and the EUN you see above the block code of YS - 513768. and on the top of the engine behind the oil filler tube is the engine casting code. Pontiac gto forum Pontiac 400 428 455 engine codes — patterson coachworks How to identify pontiac engine blocks 1973 Engine Codes ; Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: WK: 400: 8:1: 230: Manual: 4X: 67: 4 bbl: WP: All Pontiac codes Engine code pontiac block help numbers gto casting Gto engine codes. BUT, this block also does not have a 2-letter engine code, just a "P" for Pontiac so it is most likely a replacement block with November 1966 heads. letter represents month, first digitIdentify pontiac engine number location size vin 1964 & up have the casting numbers by the distributor (Except 421's) 1959 thru 1969 blocks have 2 motor mount holes: 1964 was the start of block mounted starters All the above information was taken from Pete McCarthy's "Pontiac Musclecar Performance" book. Pontiac Cylinder Head Codes Wallace Racing. Attachments. in. Find here some figures that I found over the years, taken from different sources, I found they are pretty accurate. Progress . Have you compared the date codes on the cowl tag to the date code on the block by the distributor, and to the date codes on the heads? In terms of the block number, according to the information on the Butler site 9790071 was offered in both 68 & 69. Otherwise the The Block Casting number should be 481990 for 1972 YR block. Dimensions: Pocket Size (4in x 5in Found here Pontiac Power Chart explains the other numbers. 21-23-24 Block casting # 536387 1960 389 215 HP E3 A 8. I see a couple RAIII engines in Firebird and GTO with that casting # and 4 bolt main caps. com, the ALL Pontiac Club for ALL Pontiac Lovers– dedicated to the preservation, restoration, and enjoyment of all years, models, and types of Pontiacs. Pontiac used the same codes on different year blocks. Casting pontiac block blocks numbers information year numberPontiac 389 gto Pontiacregistry. The 0282800 number is the engine serial number. 6:1 265 Manual 142 254 2 bbl WC Pontiac engine codes and production figures How to identify your pontiac engine Phs decoding your trans am 455 pontiac engine block 400 codes usually motors rear these large Pontiac engine 400 v8 1970 identify motor ram air blocks gto heads hagerty horning Engine code pontiac block help numbers gto Help with engine code id!! Pontiac engine block casting firebird wowmusclecars 1966 pontiac gto 389 cu. Codes and Decoding . Built Location; WC: 8: 350: 265: 9. It consists of letters A-L for month (A=January, etc. Pontiac casting codes provide essential information about the engine block’s year of production and displacement. 6:1: 265: Auto: 45: 254: 4 bbl: WA The Pontiac Historical Society documents for your car should have the build info and the EUN you see above the block code of YS - 513768. There's a post in the FAQ section here that describes how to ID a Pontiac engine that you might want to read. ISBN-13: 9780971245891 ISBN-10: 0971245894 Pages: 96 Here are block codes for 1966: Pontiac Engine Codes Here are head codes for 1966: Pontiac V8 Cylinder Heads The engine casting number looks correct for 1965-66 even with the missing "9". However the numbers in the casting are one number short. Starting in 1965 Pontiac began using a 2 digit letter code. C. Ex. Pontiac firebird wowmusclecars Casting pontiac block blocks number information numbers Codes pontiac engine w72 cylinder casting heads numbers code head trans number am some date where look cid big 6x4. Your reference guide to all of those numbers and Engines made in 1969 and 1970 have a two-digit code to identify their year of manufacture, and the location of the casting code can also be a clue to the year the engine was made. I was about to purchase a 69 RA III engine that had the YW and Engine block number identify pontiac code casting date where 400 1969 1968 1967 located shows click Pontiac firebird wowmusclecars How to identify pontiac engine blocks. Together with the casting code and cating date you can determine where what the engine is. Embelms & stickersGm- l6 enginne block casting numbers Codes pontiac engine w72 cylinder casting heads numbers code head trans number am some date where look cid big 6x4Engine block numbers. P. However, these codes were used over from year to year. 62 casting heads were stock on '69 YS, YT, & XH 400 engines, as well as XF coded 428's & the XG 428HO engines I've examined. 2 BC: Firebird 350: 1966 Engine Codes ; Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: WA : 389: 8. Parts List . Pictures . to the right of that is a casting code. It had a noticeably short, stiff crankcase. SCROLL DOWN ! Pontiac 400 Ram Air III: WQ (manual), YW (automatic) Pontiac 400 Ram Air IV: WH (manual), XN (automatic) 1969 TRANS AM PRODUCTION BREAKDOWN: Option. The YC code was found in only 1 book (which is basically a Pontiac "bible") that I have while the YC code is listed as a 1971 455 engine. Where to find the Casting Code: Casting codes for 1955 to 1963 are 400 blocks with 557 casting numbers have thin main journals. This page will help you identify the year and size of your Pontiac engine. 11/1. Everything from numbers to casting lumps and bumps, types of motor mounts, etc. It says 778789 without the nine. Casting Numbers for Blocks, Heads, Intakes, Exhausts and Water Pumps along with Original Pontiac Engine Codes listed by Code or by Car for Car, Year, CID, HP, Tran, RPO, Block and more. These guides will give you information regarding casting numbers, what suffix number goes with the head casting number, what exhaust manifold numbers go with these castings and so on. Casting number 9778789 is used for all 1965 389s regardless of final installation. It's a consecutive number for all V8s -YU engine: 1978: ALL (231A) 1110695: W/ALT : 1978: ALL (231A) 1110731: W/A. The casting numbers are listed in two ways: Pontiac 400 428 455 Engine Casting Numbers. Pontiac 400 428 455 Engine Codes. These motors usually have a large "70" at the rear of the block. For the front. Pontiac V8 Engines Factory Casting Number and Code Guide 1955-81 (MSA-1) - Mark S Allen: 9780971245891 - AbeBooks The Pontiac V8 Engine debuted in 1955 and featured the following: “Gusher cooling system” (reverse-flow coolant circulation). The block code 264300 YH tells us it is a 360 horse power version of the 428. I was trying to figure out what car this engine may have come from , eg; GTO, Trans Am, Bonneville, Grand Prix, Gran Ville, etc How to identify pontiac engine blocks Codes pontiac engine w72 cylinder heads casting numbers code head 350 trans am number cid big where 6x4 some look Help with engine code id!!Pontiac engine combinations pump gas – tin indian performance 455 Ur vin is 6w87z8n191286 the 5th digit is ur engine code “Z” which identifies a 400 4 Brl w dual exhaust. 0 compression ratio 2 bbl carb Automatic cars Pontiac V8 Engine Codes and Specs Check Details Wallace racing's pontiac engine search Codes pontiac engine w72 cylinder heads casting numbers code head 350 trans am number cid big where 6x4 some look1960 engine chart pontiac identification parts. Codes firebird wowmusclecarsInfo guide: 1967 pontiac gto (coupe, hardtop & convertible Engine 400 codes pontiac block 403 decoding small 455 casting gto transamflorida olds figures production engines big 400ciPontiac engine Pontiac V8 Engines Factory Casting Number and Code Guide 195581 - MSA-1 Author: Mark S Allen. Pontiac Power My code is easy to find and see and it is exactly where the Pontiac Power quote above describes. This particular edition is in a Perfect Paperback format. 6: 111: 543796: 2: 64: NA The complete engine code consists of the engine assembly plant sequence number (commonly called "motor number") with the engine code under it. Classifications Dewey Decimal Class 629. JPG. Atomic Industries The Jalopy Journal Casting number "9790079" Engine code "694880 YJ" Date code "28U164733" Head casting "17" 1970 Engine Codes Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: W7 : 350: 8. These codes below may not be as accurate as my Engine Code Search page in link above. GM FoMoCo MOPAR Gaskets Service Replacement (SR) blocks do not always have a code stamped on the front of the engine. First, you must find the casting codes which will help you ID the year, engine, and casting number of the engine. Casting and Codes numbers. Suffix Codes: For 1977, Pontiac offered an automatic and four speed This photo shows where the block casting number and date code are located. All engine blocks have a casting code. 305 posts · Joined 2021 Add to quote; Only show this user Engine Block Codes Pontiac engines have block code. 73 12 bolt 11. 6 111 536109 01-Feb 7015062 Block casting # 536387 1960 389 215 HP G4 M 8. Engine HP Rating Head # Valve Size CC or CR; 1955: 287: 192, 205, 216, 227 HP: 518024: 1. If your car was built at Pontiac, the component casting dates could be very close to the thanks for FAQ, here is the additional information, date code: H231 D, casting code: 485428, YA , 455 is cast into the side of the block. Dimensions: Pocket Size (4in x 5in) Pages: 96 . The W72 package engines were cast in Engine Plant 6 and assembled in Pontiac plant 9 which was a state of the art facility with precise machinery. However, these codes were used for more than one year and could have different machining or even different main caps. 1st photo places where codes are usually found in a 400-455 engines. CALIF : 1978: ALL (260) 1103320: W/A. Head specifications are listed by year, with multiple engine options specified for some years. can you tell me what kind of car it came out Pontiac Engine Codes 1967 Engine Codes Code Application Displacement Compression Horsepower Transmission Heads Camshaft Carb MN 400 8. 68 and 69 used the YS letter code and the same casting number. Original Pontiac engine block colors and other engine bay colors are readily available from a number of suppliers. Block Date Verification How-To Engine Codes and Applications Production Casting Numbers . P68 A43 2001 The Physical Object Pagination 96 p. Pontiac heads have their casting codes stamped on the center exhaust ports. The engine VIN code is unreadable due to placement by water pump/timing cover. 1971LemansWisc. Description Qty. Together with the casting code and casting date you can determine where what the engine is. The Pontiac Hunters list also does not list the cyl head(s) originally used on said engines by cyl head code. Matching Numbers. 6:1: 256: Manual: 75: 441: 2 bbl: WB Casting number wise, 62 & date cast tells it all. HOME. 1968 Manuals Online . You must login to post comments. 1967. Casting Codes . Learn More! Numbers. Your YS engine code could be any thing from a 1965 to a 1978 engine. Date code must be a 6 no matter how hard I look and it still seems like an 8. Always take this one to ID Book Summary: The title of this book is Pontiac V8 Engines Factory Casting Number and Code Guide 1955-81 (MSA-1) and it was written by Mark S Allen. By chatting and providing personal info, you understand and 428 c. original specs: 160/175 HP 8. Identify a PONTIAC engine block is very simple, the code is entered, or rather "hit" on the front right of the cylinder block (when you're driving), close to the plane of the cylinder head gasket. Pontiacregistry. Both sites indicate that the 1969 Firebird RA III YW/WQ blocks should have casting 9792506. From 1972 up Pontiac also changed the head’s exhaust crossover. A Guide To Ford V8 Engine Block Casting Numbers, 1952-1996. :confused Covers ALL the Pontiac V8 years - casting numbers and engine codes. 1. Pontiac Engine Block Casting Numbers - Ken's Speed & Machine Shop, Inc 1973 400 CID #481988 1973 455 CID #485428 1973 455 CID #(490)132 1974 350 CID #488986 #9773155 block with a date code of J23=October 2, 1963 #9782611 block with a date code of F126=June 12, 1966 #485428 block with a date code of D083=April 8, 1973 All '70 RAIV blocks had the '4' ground off the 9799914 casting number and a '5' stamped into its place. 2:1: Man. d. Save Share Reply Quote Like. s100_1806. In the above photo of an what might appear to be a stock engine (to some) in a 1956 Pontiac, the head casting number and exhaust manifold casting number reveal 1957 heads and 1960 exhaust manifold. The YS block was (also) used in the 1969 GTO and was a 400CID 4bbl with 350hp and an Automatic Transmission. 75 041 722 1-4 7029273 RA IV Block Casting # 9792506 / 9790071 According to Wallace the 9790071 block was also used for WW the RAIV. I was using charts from Wallce and Pontiac Power (web address below). 66" exhausts, screw-in studs, with a nominal combustion chamber size of The complete engine code consists of the engine assembly plant sequence number (commonly called "motor number") with the engine code under it. If you know the code number, try my new Engine search. Share All blocks prior to 1964 had the casting number on the passenger side of the block. Block casting number 3. VIN Pontiac 400 428 455 Engine Codes; Pontiac 400 428 455 Engine Casting Numbers; Pontiac Cylinder Head ID Numbers; Year Application Casting Valves CC or CR Notes; 1967: 400 2bbl/4bbl : 61: 2. Casting : 9786133 (1967 400) "The Engine codes will be found on the front of passengers side of the block, below the head. Another example is: The block is a 70 455 4 bolt. I believe there was one engine assembly plant that supplied assembled engines to all the various Pontiac final assembly plants. Pontiac engines have block code. I come up with: 1970 400cid 350HP YS Auto 10. A Until that time, next to no one in the Pontiac hobby used the term, Engine Unit Number or EUN. Pontiac 400 Manual: Automatic Engine Identification. There are many sources online for VIN decoding, so I would recommend starting there for more info. Google up various combinations of "Pontiac Engine Codes" and you should be able to find several sites that show you how to decode everything Some heads are missing either the casting number, (an example would be early production ’68 Ram Air II heads or some ’73 Super Duty heads), while others are missing date codes (’69 Ram Air IV and ’70 Ram Air IV cast before November, 1970). (2 barrel, 4 barrel, 3-2’s, auto or manual, A-body, F-body, big car, HP rating). So look & verify motor mount holes depending in what This photo shows where the block casting number and date code are located. It is a WS code block with a casting date code of H269. Chamber volumes ranged from 65 to 114 cubic centimeters Stock Pontiac V8 Specs Overbore Specs Tolerances Torque Specs Block Date Verification How-To Engine Codes and Applications Production Casting Numbers Engine Codes Intake Manifold Number Codes Rear End Gear Codes Customer: Hi, My question is regarding a Pontiac engine, from around 1960´s. And on the same side, real low on the block would be the VIN number. I guess some engines have three numbers stamped. Save Share 8 = 68. Starting in 1965 Pontiac began using a 2 digit multiple years and models by code! I have a Pontiac WY engine . Wallace racing's pontiac engine search. Casting Number Secondary ID Code Year Engine Horsepower Other Info Port Type Intake Valve Size Exhaust Valve Size Chamber (CC) 1: 1977 to 1981: 301: D Port: 1. Casting Date CID Side Port Notes; 523539: 1957: 347: LH: D: FI: 524883: 1957: 347: RH: D: FI: Pontiac engines have block code. About Contact Parts For Sale. The second digit "3" is the year. 6:1: 265: Auto: 45: 254: 4 bbl: WA The YH is the engine code that, along with the block casting number and the casting date, identifies the block as a 1970 Model Year high-compression 455 for full-size cars. Each block casting number is unique to a specific engine and year, which makes it a vital tool for engine Starting around 1969 Pontiac cast a 2 digit year number next to the distributor also. Next to the distributor hole there is a casting The 1964-1974 Pontiac Tempest, Lemans & GTO. The heads are #12 with a casting date code of H079. i. codes: 301354 B4 GM1 588181 E231 2 I am after a full engine repair kit, but dont really know what engine I need the parts for Thanks in XH engine code? Other models Pontiac Tech most likely the XH coded 400 is a '77 400 complete w 6X-8 heads, originally out of an A-body or F-body (Formula or T/A). C372079 is the engine unit number. Full casting number is 9799364. Always take this one to ID Pontiac V8 engines. ( Z code) I see lots of Grand Prix’s, Tempest, and Catalina’s with that casting # and 2bolt mains. On the back is the 9790071 casting (68-69 400ci). Look on the back of the block behind the #8 cylinder for the casting number which should be 9790071. 2. Engine Codes Intake Manifold Number Codes Rear End Gear Codes . 6-Cylinder: Find code stamped on cylinder head contact surface of the block behind the oil filler pipe. Letter represents month, first digit day, second digit year 9773155 with code J23- October 2nd, 1963 9782611 with code F126- June 12th, 1966 Here is a pic to find where the Engine code/id can be found. Covers ALL the Pontiac V8 years - casting numbers and engine codes. com :: magazine contents455 pontiac engine block 400 codes After going through the Pontiac casting # book, 9799914 is a 1970 casting. There are no casting numbers close to yours for YR block. Dimensions: Pocket Size (4in x 5in) Thanks for the info. Unlike this time and our European The block casting code (passenger side rear, next to the transmission, should be visible if you look down behind the head on the passenger side) should be 485428. . 6:1 265 Manual 142 254 2 bbl WB FullSize 400 8. Where are all the codes. Top number is an engine production number (explains starting with a 6) and under is the YF code. 6:1: 256: Manual: 91: 254: 2 bbl: WB Pontiac specs v8 locating wowmusclecars Pontiac engine codes Pontiac engine codes: find engine code number & block identification Engine code and date discrepancy Pontiac 400 428 455 engine codes — patterson coachworksPontiac engine code number find where prix grand do technician dave nova 1967 Engine gto codes blockGto pontiac firebird grille bricks build Engine Codes; build Head Codes; 2024 Classical PONTIAC. engine. I did a search with your block cast number and there are a number of 2-digit engine codes beginning with Read reviews from the world’s largest community for readers. Date Codes: J23= October 2,1963 D083= April 8, 1973 (or 1963 !!) Have you compared the date codes on the cowl tag to the date code on the block by the distributor, and to the date codes on the heads? In terms of the block number, according to the information on the Butler site 9790071 was offered in both 68 & 69. Heads are#64. 2nd photo 403-455 olds engines (1)400 engine (2)403 engine 1964 Engine Codes Code: Application: Displacement: Compression: Horsepower: Transmission: Heads: Camshaft: Carb: 02B : 389: 8. wuthy nlmcu mbfj xkv megi cslb ainf dyeyy xtusu vubh