What's the differnce between a 455 olds and a 455 Pontiac?what motor would be better and have more power? I just realize there's 2 motors! Don't know which block to buy and rebuild for my 1969 firebird
455 rocket? Or 455 Pontiac?
Firechicken69
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630 Posts
400. 3.75 stroke 4.122 bore. 3" mains
455. 4.221 stroke 4.15 bore 3.25 mains
455. 4.221 stroke 4.15 bore 3.25 mains
1 - 1 of 19 Posts
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