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OK, I will reveal my "speed secret for 1986 928S" because I'' probably never be competing in the PCA Stock 928 Class. You removed the cat already, correct? Hook the smog pump line up to the air box. It made the difference of a prepared 911 walking away from me or me walking away from the 911. You owe me $20.
Headers and a "cheater cam grind" only made my 1981 928 slower. It hit 140+ down the backstraight at Charlotte when I debuted at PCA HPDE stone stock.
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1986, '87,'88 928S4, 2006 Cayman S Cabluey, 2006 Cayman S "Burn Notice"
Last edited by Sapientoni; 09-10-2016 at 05:07 PM..
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