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mtwolff
September 22nd, 2008, 08:08 AM
m trying to tune a 2002 pontiac firehawk-- vehicle has been radically modified,
ls2-402 stroker, custom grind cam, 242 intake, 248 exhaust, lift .609 intake-.609 exhaust, 14 lsa, 12 psi procharger, -26cc forged pistons and crank, 225 afr heads 72cc, dual springs, trans-- perfomabuilt level 3, w/ 3200 stall, moser 9 in 370 gears
i have installed custom os, and worked with some other people on getting this programmed- the vehicle starts then dies- cant get it to idle at all- im very new to this and very stumped- if anybody has any advice it would be highly appreciated- i have attahced tun file

4wheelin
October 4th, 2008, 12:16 AM
I made some changes that should help, I raised the idle speed as well, 550rpm is a bit slow for a cam of that size. I,ve altered the timing in gear at idle, under and overspeed idle timing correction and overshoot on startup. It willl need more work but I'd like to know if it helps.

Joel