Pontiac Block Casting Numbers #Shorts#Pontiac#Restoration_______________________________ Over the years Pontiac v...

Pontiac Block Casting Numbers #Shorts#Pontiac#Restoration_______________________________ Over the years Pontiac v8 Cylinder heads came in many specifications. Late in 1977 Pontiac produce 400 blocks with only 3 motor mount holes. I am wondering if anyone can tell me what the “best” or “better” years/block casting numbers are for the 400 blocks? Looking to acquire The Pontiac Engine Pontiac Firing Order Pontiac V8 265, 301, 307*, 326, 350, 389, 400, 421, 428, 455 Firing Order These graphics courtesy of Boxwrench. The date code is a 3 485428 is the block casting number for a 455 for multiple years. Pontiac 400 428 455 Engine Codes This is a quick block ID for junk yard hunting, etc. The block vin#29r120578, the 2 tells us the block was from Pontiac, 9 tells us it was a 1969 model, and R tells us it was from the Arlington GM plant. See Chart Below for actual codes. Pontiac 400 428 455 Engine Casting Numbers Service Replacement (SR) blocks do not always have a code stamped on the front of the engine. You must find the date code at the back LH side of the block first. Feb 28th 1969 to be exact. ALL 1964 389 Pontiac engines carried the casting # 9773155, regarding of application. Next to the distributor hole there is a casting number that has a letter with 2 or = = = = = = = = = = = The stamped info on the front of the block per Hagerty: Above the code is the block unit number, and the common line of I'm new to this forum, so bear with me. Casting number 488986 indicates a 1973 or 1974 350. To differentiate them it will have to be determined what year the block is. The Casting codes for 1955 to 1963 will be And the 4th digit is the last digit of the year the block was cast. You should be able to find a similar code on the top Casting numbers for pontiac are 6 or 7 digits. GM had a ban on installing engines over 400 CI in Correct? So, I believe what I need to be looking for is either: A. A list of block casting numbers is located < click here> Date code letter deciphering: The date The date code is located next to the distributor mounting boss. The heads are #12 with a casting date code of H079. HOME If you know the code number, try my new Engine search These codes below may not be as accurate as my Engine Code Search page in link above. Also appears to have 350 pistons. This Ebay engine has a 488988 casting number. In 1967 Pontiac Casting Numbers PONTIAC BLOCK CODES '64-'79 Year CID HORSEPOWER Code 1964 326 280 HP 94x,970 389 230 HP 04L,05L,08R,09R 389 235 HP 22B 389 267 HP 11H,12H 389 283 HP The stock Pontiac V-8 block evolved from its original displacement of 287 ci in 1955 to as much as 455 by 1970 without grossly deviating from its Pontiac used the same codes on different year blocks. com Pontiac Engine Specs Pontiac Engine Matching Numbers Beginning sometime in '68 Pontiac began stamping the last eight digits of the vehicle identification number (VIN) on the engine block. However, these codes were used over from year to year. Find the casting numbers and codes for Pontiac blocks from 1955 to 1977. The block casting number contains several digits and, depending on the year, is sometimes found on the passenger’s side of the block or at the rear FULL 1968 YH 428 375 1968 WJ 428 390 1968 YK 428 390 1969 ZF 250 175 1969 ZC 250 175 1969 ZL 250 215 1969 ZH 250 230 1969 WC 350 265 1969 WP 350 265 1969 WM 350 265 Can anyone confirm the year of this engine by the stamp shown in the photo? The characters appear to be: 460W 3750. SCROLL The block casting number is only located in one place, which is close to the firewall, below the end of the passenger side head. It is a WS code block with a casting date code of H269. The head code is towards the front of the side of the head on a "flat" Posted By: drew67 tracing numbers for a 400 ci pontiac motor - 10/09/0602:04 AM im in need of some expertese in the area of tracing the engine codes of a 400 ci pontiac motor i have. I Hi all, I have located a 1970 400 long block and I’m trying to go through and decode the numbers, and one has me confused/concerned can The block casting number contains several digits and, depending on the year, is sometimes found on the passenger’s side of the block or at the rear Hi - I'm trying to figure out what block I have. On Hi - I'm trying to figure out what block I have. Founded in 1991, it was also the first online forum for people to gather and talk about their The Pontiac Engine Pontiac Firing Order Pontiac V8 265, 301, 307*, 326, 350, 389, 400, 421, 428, 455 Firing Order These graphics courtesy of Boxwrench. All Pontiac Casting Numbers PONTIAC BLOCK CODES '64-'79 Year CID HORSEPOWER Code 1964 326 280 HP 94x,970 389 230 HP 04L,05L,08R,09R 389 235 HP 22B 389 267 HP 11H,12H 389 283 HP Pontiac Block Castings P ontiac block casting numbers Pontiac engine identification numbers, including engine codes, block casting numbers, and date codes, help determine an engine’s originality, Comprehensive guide to Pontiac engine production casting numbers for enthusiasts and restorers. Here is our complete archive of cylinder head, block, and crankshaft casting numbers for a number of popular muscle cars. 2. 5 all together. The block casting number you submitted is used only for '65/'66 389's. As you can see in the diagram at right, the number Your first bit of code translation was incorrect. Founded in 1991, it was also the first online forum for people to gather and talk about their Those head date codes indicate casting dates of 01/08/68 and 01/04/68, respectively - so those are most likely model year 1968 heads. The YH is the engine code that, along with the block casting number and the casting date, identifies the block as a 1970 Model Block Casting Numbers Size Casting # Yr Engine Block Codes Pontiac engines have block code. This code will tell you the year it was to be used. And you already know that Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Learn how to identify Pontiac V8 engine codes and specs by locating the block casting number and other markings on the engine. The number 0577369 is probably the To identify a pontiac engine: 1. The chart I used on WR website only listed the 557 block cast after late 75. Heads are '69. Seems The '295746' following the 'A' is the Motor Unit Number or MUN. Find info on Pontiac heads casting number and more. A '66 engine with XE I have been researching my 400 engine block as follows: Stamped Block code: WW Stamped Production code: 0719693 Casting # 9790071 Date Code: D309 Stamped VIN code Connecting Rods Crankshafts Return to main page Engine block casting numbers Engine bore & stroke chart Water pumps Z-bars (countershafts) The block casting number, 9790071, is for a 1968-1969 400 engine. On 70-81 ENGINES CODES 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 The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Starting in 1965 they were a two or three digit code. Next to the distributor hole there is a casting number that has a letter with 2 or All blocks produced after 1970 have 3 holes plus the early 2 bolt set up. On the ledge, passenger side behind the last cylinder (under right side of distributor as sitting in drivers seat) I found the number 9790071. the # 538181 was the casting number for the following 3 engines: 1961 389, 1961 421, and a 1962 SD. To nail the year, you need the 4 character date code from the top center of the block Engine Codes & Production Figures Find here some figures that I found over the years, taken from different sources, I found they are pretty accurate. you gotta have the the 2 letter code up front n casting date to ID a Pontiac engine. a '65 engine with YS block code, 9778789 casting code and a casting date of Sep to Dec '65 or B. First, you must find the casting codes which will help you ID the year, engine, and casting number of the engine. Block casting # on the passenger side 532000 confirms it's a 1959 389 block. That's why I Learning how to identify and decode Pontiac engine blocks can save you a ton of money, time, and headaches. IF the date code is for a '62 block, (at the distributor hole) it's a 421 SD. May want to check by the #8 cylinder. The first code, located near the passenger side cylinder head, is the motor unit number. There is also a block the gm block casting # 481988 was used on 400 engines from '67 -'78. But, it has a 5 0 cast in the lifter valley, indicating that it is a 350 engine. Together with He was asking for help identifying a code-ZE 455 block that recently came into his possession. It Comprehensive guide to Pontiac engine production casting numbers for enthusiasts and restorers. Check to see what the casting number (raised up, cast in, not stamped) from back by the distributor area. Pontiac Block ID Numbers. There are many sources online for #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 pre 1970 blocks have What engine do I have? Do I have big valve heads? Pontiac made it easy to know what is sitting between the fenders of your Pontiac or on the ground at the local Comprehensive guide to identifying Pontiac block numbers and casting codes for accurate restoration and performance tuning. Engine Unit Number The Engine Unit Number is located under the passenger-side cylinder head just above the Engine Code. com The block is buildable, for sure. Oct 12, 2023 Please see the attachments below for cylinder block and head casting numbers used on Pontiac engines. Founded in 1991, it was also the first online forum for people to gather and talk about their Ron's Pontiac Page: Stock Pontiac Head Specs PY Online Forums - Bringing the Pontiac Hobby Together > Classic TECH- specs, codes, resto issues FORUMS > 70-73 Firebird & TA TECH > In this guide, we’ll walk you through how you too can find, decode, verify, and do a lookup on GM (General Motors) engine serial numbers for Yes 485428 is the casting number of a 455, but this casting was used from 71 to 74. 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. I found a list of serial numbers Hello all. He described it as a typical number-485428 casting "Pontiac stamped a variety of codes on the front of the engine block. See charts, diagrams, Pontiac used the same codes on different year blocks. A list of block casting numbers is located < click here> Date code letter deciphering: The date Obviously it is not original. Check the vin code on the front passenger side of the block next to the timing PONTIAC BLOCK CODES '64-'79 Year CID HORSEPOWER Code 1964 326 280 HP 94x,970 389 230 HP 04L,05L,08R,09R 389 235 HP 22B 389 267 HP 11H,12H 389 283 HP 10A 389 303 HP I was lookin at my 400 and came up with these numbers can you guys give me any info on them or where i could learn what they are? Ok the block casting number ( by the disttibuter) was The cylinder head casting numbers look like 1957 347 alright but the Pontiac Power website shows 523293 for the block casting number while yours That means Pontiac cast some blocks in 77-78 using an earlier mold. The Pontiac block casting numbers??? Discussion in ' The Hokey Ass Message Board ' started by revray, Aug 8, 2013. I looked once at this motor and saw nothing. Next to the distributor hole there is Here's another wrinkle. GTO, Bonneville, Catalina, Grand Prix all 389's in 64 carried # 9773155 casting #, so yes, that is the correct casting # Pontiac V8 Engine Factory Casting Number And Code Guide - 1955-1981 These guides will give you information regarding casting numbers, what The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. I have a question regarding the casting number and engine code on a Pontiac V8 I have. Codes are entered, or rather "hit" on the front right of the cylinder block Engine Code Chart. YC would indicate an automatic transmission (a Th400) for either an A, B, Or F body car in 71. With the following information we can tell you exactly where your engine came from: Block Casting Code Number Date Engine ID Code From PY Online Forums - Bringing the Pontiac Hobby Together > Classic TECH- specs, codes, resto issues FORUMS > 68-69 GTO Tempest & LeMans 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 Need to quickly decode Pontiac blocks and cylinder heads? We show you how in less than 60 seconds. The number on the top rear of the block is "10000708", block code Pontiac - Street All times are GMT -4. Check this site out for various locations of codes. Pontiac Engine Codes What's the 2 letter engine Comprehensive guide to identifying Pontiac cylinder head ID numbers and decoding their applications. This is a casting number question, I didn't know where to put this, so I chose here. The engine has the number 670471 stamped on Head Codes Pontiac heads have their casting codes cast on to the center exhaust ports. From “Rick” of the tech staff on Hitman's Pontiac I will be looking for numbers on a block to confirm engine size tomorrow can someone tell me in the picture below where these 455 marks are. The letter Years: CID: Casting Number: Notes: 1955: 287: 518037: 1956: 316: 521560: 1957: 347: 523293: 1958: 370: 528456: 1959: 389: 532000: 1960: 389: 536387: 1961: 389: 538181 The block casting number, 9790071, is for a 1968-1969 400 engine. . The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. For example: if the date code is A103, that means that the block was cast on January 10, 1973. Founded in 1991, it was also the first online forum for people to gather and talk about their If you know the code number, try my new head search Chart to mill Pontiac Cylinder Heads Pontiac made closed chambered heads until 1967. They do, Andy's Auto Sport Learning Center Vehicle Specs GTO Engine Codes Pontiac Block Castings P ontiac block casting numbers Hank, The WU block is a 400 and was used on pontiac's b-bodies from late 67 thru 71 and was offered during those years with both the 2bbl and 4bbl. See the year, CU IN, and casting number for each block model and variant. The time now is 04:23 PM. Selecting the right block for your 400 build can be the difference between a cracked Block and Engine Codes: Quote: Pontiac engines have block code. This number was stamped Pontiac used the same codes on different year blocks. The 5 hole blocks will fit the pre 70 chassis. We found a 1965 Pontiac Catalina out in a guys field. 67-69 ENGINES CODES THE BLOCK Identify an engine block is very simple.