A 383 is a .030" over bored 350 small block with a 400 crankshaft. The 454 is a big block.
get a big block or bore it 54 over
Bore a 454, .060 over.
400
A 350 is a small block and all the engine parts are small. The 454 is a big block and everything is big. Nothing will interchange.
it is an engine
There was a 402, which was a 396, bored .030 over. No 403.
Which head bolts need asealant applied to them on a 454 big block?
For complete engines, the weight of the average (stock) 400 Pontiac at about 650 lbs. is roughly between the average (stock) Chevy small block at about 575 lbs. and the average (stock) Chevy big block at about 680-685 lbs..
No. The bore, and stroke determine the cid. And they are different on these two motors. The 454, has a longer stroke.
Anything over 210, should be of concern.
No, They won't even begin to fit. 454 is a BIG block and a350 is a small block.