I want honest opinions for performance and flow vortec heads or 487x
I have a set of 487x heads that were ported about 8 years ago made a world of difference on my motor building a new motor just took to machine shop today they said 487x heads were better but I have heard many many people say buy a new intake and have the vortec heads ported and make them flow I run a victor jr tall intake 750 holley mechanical secondaries and gonna be a roller hydralic cam setup told them I want the biggest cam I can get to make as much performance as possible and not tear stuff up buying a forged eagle rotating assembly 383 setup what are your opinions old heads or vortec heads???????????
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