I'm not saying 34 psi is a good optimum setting for the entire poweraband but it does help my idle, and it might (dyno will tell) be ok for the entire powerband.....the #5 plug was all black and it wet in gas......
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93 GT, 5 speed....Full Exhaust, 373's, Nitto DR's....1.92/13.90/97(26x10.5 ET Streets)
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