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SmokeyDP · 05-04-2001, 03:17 PM

I failed NOx in NJ by 800. It was determined my cats could be bad (EGR was tested and they said it was fine, but now I get codes from the EGR a few months later...go figure). I retarded the timing A LOT. The car felt like slower than a V6, but I passed NOx and that was the only thing I did. I am not sure of the exact timing I had, but I went from 15 to below 9.

Scott

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1992 GT 5.0L Convertible
BBK Shorties, Flowmasters, Super Chip, Mass Air, Under Drive Pullies, Hurst Shifter, Duck Tape
AIM: SmokeyDP

05-04-2001, 03:17 PM	#8
SmokeyDP Registered Member Join Date: Jun 1999 Location: Middlesex, NJ Posts: 212	I failed NOx in NJ by 800. It was determined my cats could be bad (EGR was tested and they said it was fine, but now I get codes from the EGR a few months later...go figure). I retarded the timing A LOT. The car felt like slower than a V6, but I passed NOx and that was the only thing I did. I am not sure of the exact timing I had, but I went from 15 to below 9. Scott ------------------ 1992 GT 5.0L Convertible BBK Shorties, Flowmasters, Super Chip, Mass Air, Under Drive Pullies, Hurst Shifter, Duck Tape AIM: SmokeyDP