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What else can I help you with?
Is a Oldsmobile 455 the same as a Pontiac?
No, they are not the same engine. The Oldsmobile 455 had a bore and stroke of: 4.126 X 4.25 The Pontiac 455 had a bore and stroke of: 4.152 X 4.21
What is the cylinder bore on a 327 small block?
4inch bore 3.25 stroke formula bore x bore times stroke times .7854= cid
What is the bore and stroke of a Chevy 427?
The legendary 1969 ZL1 427 big block Chevy had a bore/stroke of 4.25" x 3.76" , while the newer LS7 small block has a bore/stroke of 4.125" x 4" , both of which feature aluminum heads and block .
1972 Chevy 350 bore specs?
i think it is 4.000 and 3.48 but iam not sure I know the bore is 4.000 but i am not sure about the stroke.
What is the difference in the gm engine 400 and 455?
If you mean the difference between the Pontiac 400 and 455....the differences are the bore size, the crank stroke length, and the main bearing journals. All are bigger on the 455. However, there is also a small block Chevy 400....which has nothing the same as the other two. The Pontiac 400 has a bore of 4.12, stroke 3.75 and 3" main journals. The 455 has a bore of 4.151, stroke of 4.21, and 3.25" main journals.
Is a 305 block the same as a 350 block?
NO the bore / cylinder size is different. Pluse the stroke
What determines the difference between a small block engine and a large block engine?
The bore and stroke.
How do you make a 434 small block?
4.156" bore with a 4" stroke.
Are Chevy 305 and 350 block the same?
NO The bore and stroke is different.
Is a 454 big block and a 472 big block the same?
No. The bore, and stroke determine the cid. And they are different on these two motors. The 454, has a longer stroke.
How do you make a small block 454?
bore and stroke a chevy 400 smallblock.
Is the Pontiac 400 engine the same block as the 455 engine with a different stroke and bore?
Basicly the same design, Yes, The crankshafts do not interchange though since the 455 has 3.25" main journals and the 400 has 3.00" mains. Heads, intakes, cams, oil pans, oil pumps, distributors, ect all interchange though. 400 is 4.12 bore 3.75 stroke 455 is 4.15 bore 4.21 stroke
