Quote Originally Posted by scttydb411
i used to believe that too because that's what everyone said...however, i originally street tuned my car and the afr were nearly identical on the dynojet. that's when i decided to not street tune anymore due to safety, liability, etc.
yeah,i think it depends on the car. Like i said i'd always tune it a little bit richer on a typical dynojet when using pump gas especially on F/I cars.