I am having problems with fuel flow. the back 2 cyc are running rich to the point of fouling the plugs. We think it maybe caused by the adapter plate not evenly putting fuel in the intake. this is a 355, roller rv can, aluminum heads with 2.09 intake and 1.6 exhaust. according to the AFM wbo2 13 at idle and 14.8 at cruising. we put a little hotter plugs in and that helped some. we have been tuning the chip with Dave W and he has it running pretty good but the power goes away at around 4.5k and the vacuum goes up which means the intake system is not big enough. that is why we are looking at the FiTech system
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