Quote:
Originally Posted by HouseStark
OP What would be required on top of headers and cam to hit 520 or higher w/out E85. Only 93 is available in my area and I would like to do the same to my 6th gen 1LE
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ported MSD IM and Heads would take you to 550whp on 93. Ported stock castings are very capable...there is a NA car in the 9's with them.