318 Build

rumblefish360 said

IMO, since your allready there, make the move to a 1.88 intake valve.

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I agree, with 1.78's you have a bit too much cam and carb. Even with 1.88's you'll need more than 9.5:1 C.R and some gears to make that setup work good. Naturally a port matched intake and headers are a must.