Quote:
Originally Posted by ProStreet71
I disagree with all do respect. Aluminum heads will help with heat dissapation and detonation allowing you to run more boost which makes more power.
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Agreed, however I don't think the plan is an all out blown motor here. I think it's just a small street blower on low boost.
781's and 049's a pretty much the same - I would prefer the same casting numbers for both heads though - but once worked over they would be pretty much the same.