Quote:
Originally Posted by nas t eh
Since you are already planning on Butler supplying parts, talk to them about a set of aluminum heads and camshaft to get you to 550HP..
The 3-4 post above have all given excellent advice.
If the $ 4-5000 cost of a roller cam/ valve train and mild ported aluminum heads is not for you then adjust your goal to 425HP but get a bigger cam.
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This is pretty solid IMHO. If the OP is already at their budget limit, I would opt against the steel caps and use those funds for some light cleanup on the 5C heads.
Try to get them to around 230cfm and I'd use the Crower 60919 that Cliff recommends with rhoads lifters. That would still be a wicked fun combination on the street and enough grunt to help out with the trans/rear combination the OP is working with.
I'd prefer an m23z gear set with a 3.08 or 3.23, but now I'm just spending other people's money.