i was planing on building the head and going 28lbs and c16 till that happen and im sure with good tuning it would have held over 21lbs go autoworks has had a stock d15b tuned on 24lbs for over a year and it just now finally let go. and speedfactory 600+whp hatch split sleeve number 3 after making over 30 track passes high 9'sOriginally Posted by THEONE




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