Recent content by garylovell

Thaks for the info !! Gary

Back when I bought my '08 Vette, non alcohol gas was readily available, so I'm sure the a/f map was set for the 14.7 stoich value. Highway mileage was up to 31mpg. This is no longer the case, and stoich for gas with alcohol is about 13.9 , and the computer is adjusting based on the older...