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Pontiac Casting Numbers. Pontiac crankshaft casting numbers all 326,350,389 and 400's have a 3.00 main journal diameter all 421, 428, and 455's have a 3.25main journal diameter all 265 and. The matching pulleys are 2” in height.
Help with engine code ID!! Pontiac GTO Forum from www.gtoforum.com
On blocks produced in 1970 and after, you will find 350, 400, or 455 stamped towards the left side of the front of the block. The matching pulleys are 2” in height. Answer id 635 | published 10/04/2001 08:27.
Help with engine code ID!! Pontiac GTO Forum
Pontiac crankshaft casting numbers all 326,350,389 and 400's have a 3.00 main journal diameter all 421, 428, and 455's have a 3.25main journal diameter all 265 and. Service replacement (sr) blocks do not always have a code stamped on the front of the engine. The casting on the outside of the head was composed of 6 or 7 digits for early heads. A list of block casting numbers is located < click here > date code letter deciphering:
No Part Number Or Date Codes.
Casting codes for from 1964 to 1967 are found on the distributor pad, except the 421′s. Located at the back of the engine near the distributor. Using a decoder, it’s possible to accurately determine its meaning.
As An Example, A Ford’s Casting Number For A Specific Part May Appear As The Above.
Some heads may have the number cast below the spark plug or below the valve cover. The date code is 4. Small block chevy intake manifolds.
Casting Codes For 1955 To 1963 Are Found On The Passengers Side Of The Block.
#9773155 block with a date code of j23=october 2, 1963. On blocks produced in 1970 and after, you will find 350, 400, or 455 stamped towards the left side of the front of the block. The matching pulleys are 2” in height.
There Is No Displacement Stamp For 421, 389 Or.
The block date code represents the production date of the engine. Pontiac 400 428 455 engine casting numbers — patterson coachworks. The code consists of 3 or 4 digits.
A List Of Block Casting Numbers Is Located < Click Here > Date Code Letter Deciphering:
Please see the attachments below for cylinder block and head casting numbers used on pontiac engines. Pontiac used the same codes on different year blocks.to differentiate them it will have to be determined what year the block is.next to the distributor hole there is a casting number that. Answer id 635 | published 10/04/2001 08:27.
Service Replacement (Sr) Blocks Do Not Always Have A Code Stamped On The Front Of The Engine.
Pontiac bore & stroke figures. The casting on the outside of the head was composed of 6 or 7 digits for early heads. Pontiac crankshaft casting numbers all 326,350,389 and 400's have a 3.00 main journal diameter all 421, 428, and 455's have a 3.25main journal diameter all 265 and.
Pontiac 400 428 455 Engine Codes.
Pontiac cylinder head id numbers. 61 rows casting codes for 1955 to 1963 are found on the passengers side of the block. Pontiac 400 428 455 engine casting numbers.
Pontiac Engine Production Casting Numbers ;
Most aftermarket aluminum castings flow anywhere between 260 and 330 cfm. From “rick” of the tech staff on hitman's pontiac trans am forum: Removed from a 1970 pontiac bonneville.
The Original Casting Number For The Early 400 Cid Pontiac Blocks Was The 481988 Number John Mentioned.
