You know ALL my 60*v6's have done that since day one. I dont know what caused it, and it never went away.
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with the old FPR @ 32lb/hr i was hitting 92% duty cycle at WOT.. running 11.9 AFR and commanding a 12.6SpudFiles
Blast vegetables and whatever else you can think of!
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1996 3500GP Coupe, "Bright White".
3500 swap, 60degreeV6 1393 Cam, Ported Intakes, Comp Cams Valve Springs, 65mm TB, Custom Pushrods, S&S Headers, 97 PCM with DHP Powrtuner, 2.5" back to dual Hooker Aerochambers, SS Brake Lines, Addco swaybar, KYB's, Intrax Springs, STB's, etc!
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hey dave you might want to check if the ecm is cutting fuel for decel enleanment or some sort or map enleanment.
can you turn off closed loop for the time being? maybe you have the target a/f ratios at an unobtainable number?got zap-straps?
89 Z24
13.886 @ 96.16 mph
street trim - slicks
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