Its strange that it backfired due to too much fuel. I test my fuel pump flow with the NOS off and just blow straight fuel into the intake. My AFR hits in the 8s but never a backfire except when I went lean. Have you checked your plugs since?
Its strange that it backfired due to too much fuel. I test my fuel pump flow with the NOS off and just blow straight fuel into the intake. My AFR hits in the 8s but never a backfire except when I went lean. Have you checked your plugs since?
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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