GM Gen IV/V Flex Fuel Setup and Calibration
$39.00

Are you looking to take the leap with your GM GenIV or GenV engine from sipping pump gas to becoming a corn fed savage? We will walk you through the steps necessary to enable the flex fuel strategy on a stock ECU then go several steps further by explaining how all the flex fuel, spark, and torque tables work together. You get both background information as well as useful calibration tips for making the engine run smoothly at ALL operating conditions with both E85 and intermediate blends of gasoline to give a seamless reaction to your next fillup regardless of what color the handle is.