Have a tunning question
06-22-2009, 12:35 PM
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Teching In
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Have a tunning question I am not the original owner of my car and the car runs very well. I know it was some kind of tune in cause the car has no cats. There is also no O2 sensors in the car. The AFR is a little rich on N20 but very safe I want to get a Hand held programmer but I dont want it to adjust the tune the only thing I want to adjust is the timming. Will this be possible or will the hand held wipe out the program.
06-22-2009, 04:48 PM
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The hand tune will replace the tune you have in it right now. I would recommend buying some good tuning software (HP Tuners or EFI Live) and making the changes you want to.