I think we'll need a little more information. What size injectors? Which ECU? Do you have a wideband or any other way to monitor the 02 sensor? By 609 MAF, I'm assuming you mean a 2g MAF, which would lean things out instead of make it run too rich, depending on which combination of injector and ECU you're running.
_________________ 91 GSX - 511fwhp and 352 lb/ft 25psi 110 octane, 7.68 @ 95.9mph 1/8th 21psi 91 octane, 11.93 @ 112.9mph, 117.7mph best trap speed, 20psi 91 octane
98 Volvo S70 T5 - DD
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