Quote:
Originally Posted by Rusty Davenport
I would like to know the same information. I think the other option in the classification guide is 350-300 HP and the only difference is the heads and intake but I would guess the piston may be different too. Correct me if I am wrong but there were only two 350 combos available. I think DeMarzo has the 300 combo but I may be wrong. What would it take to make a 1969 from a 1970 car ????
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I have 1969 Impala with same combo.
The Block is the same for 250, 255, 300.
Heads on the 250 and 255 are the same.
2v and 4v Manifolds interchange.
Heads on 300 are the smaller chamber 462, 492' castings, uses the same 4v manifold.