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Pontiac Block Casting Numbers. Pontiac engine blocks cast in 1967 through the last casting in 1978 have 3 freeze plugs on each side. The arrow on the clock icon points to 2.
Have a look at the picture. High output pontiac v8 cylinder heads. Pontiac engine blocks cast in 1967 through the last casting in 1978 have 3 freeze plugs on each side.
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. Pontiac engine blocks cast in 1967 through the last casting in 1978 have 3 freeze plugs on each side. Crank, so it was introduced a year before '67. The 5 hole blocks will fit the pre 70 chassis.
A List Of Block Casting Numbers Is Located < Click Here > Date Code Letter Deciphering:
Pontiac cylinder head id numbers; The block date code represents the production date of the engine. Pontiac engine production casting numbers ;
Service Replacement (Sr) Blocks Do Not Always Have A Code Stamped On The Front Of The Engine.
Pontiac 400 428 455 engine casting numbers; The '64/'65 421 ho armasteel crank is #9773384. Pontiac engine biocks cast in 1967 through the last casting in 1978 have 3 freeze plugs on each side.
Pontiac engines were last produced and used in 1981. The engine’s casting codes provide a lot of information. The raii had it's own specific.
Big Block Casting Numbers Lookup.
Casting codes for from 1964 to 1967 are found on the distributor pad, except the 421′s. Pontiac engines were available in many different displacements,. Pontiac engine blocks cast in 1967 through the last casting in 1978 have 3 freeze plugs on each side.
The Arrow On The Clock Icon Points To 2.
Crank, so it was introduced a year before '67. #9773155 block with a date code of j23=october 2, 1963. Late in 1977 pontiac produce 400 blocks with only 3 motor mount holes.
No You Do Not Have A W72 Motor.
The '66 parts catalog shows the #9782769 as the 421 & h.o. You must find the date code at the back lh side of the block. Selecting the right block for your 400 build can.
Pontiac's 400 The 400 Ci Was Pontiac's Most Popular V8 During The Glory Years, And A Number Of Different Blocks Were Produced In That Time.
All the above information was. All blocks prior to 1964 had the casting number on the passenger side of the block. Leave a comment at the end of this post if you cannot find the.
The 5 Hole Blocks Will Fit The Pre 70 Chassis.
1964 & up have the casting numbers by the distributor (except 421's). Have a look at the picture. 61 rows where to find the casting code:
Learning How To Identify And Decode Pontiac Engine Blocks Can Save You A Ton Of Money, Time, And Headaches.
The date code is 4. 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 wide array of casting numbers.
Casting Codes For 1955 To 1963 Are Found On The Passengers Side Of The Block.
Pontiac blocks with only 2 bolts holes per side were cast before 1970. The block code for it will be y6 for auto and wa for 4 speed in 1977. Casting number 9778789 is used for all 1965 389s regardless of final installation.
Casting Codes For 1955 To 1963 Are Found On The.
The original casting number for the early 400 cid pontiac blocks was the 481988 number john mentioned above. This is a quick block id for junk yard hunting, etc. 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.
It Is A Very Strong Casting And It Has Been Successfully Used.
I guess there's some truth to what others are saying about the pontiac 400 blocks with casting number 500557. Ok, i didn't say this was easy, but check out the number of drilled. Type your engine block casting number in the search box below.
True Pontiac Engines Were Made By The Pontiac Motor Division.
The w72 was a 400 with the 6x 4's put on it by gm. There is no displacement stamp for 421, 389 or. High output pontiac v8 cylinder heads.
All 455 Blocks Have A 5 Hole Pattern And Will Fit Pre 70 Chassis.
