12'SROCK Posted July 27, 2007 Report Share Posted July 27, 2007 oh god yes, we ran mid 13's on a mild cam and the gm heads. We ran 12.13 on motor before the roll cage and now with the roll cage 12.22 is the best we can do on motor at about 9.4:1 ratio now. 11.40 is the best off a 100 shot, but could have been better had i backed the timing down a bit. Brad that pretty good to hrear Quote Link to comment Share on other sites More sharing options...
zippy Posted July 30, 2007 Report Share Posted July 30, 2007 If I were picking a cam for that truck I'd go with the X4254H (part number 12-235-2) from Comp Cams. That should have plenty of torque to get you past the crappy stock stall and pull well to a little over 5k. As long as the stock valve springs aren't too tired you should be able to re-use them. If you do end up replacing the intake with a new one, I'd go with the Performer Air Gap. Quote Link to comment Share on other sites More sharing options...
WI_Dave Posted July 31, 2007 Author Report Share Posted July 31, 2007 Thanks I'll look into that cam. Quote Link to comment Share on other sites More sharing options...
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