The owner of the engine has 2 carbys 1 for gasoline and 1 for E85 , he wants a tune up for each fuel, the pump gas is for cruising around and the E85 is for racing. Will also dyno test VP-109, if it was up to me i would have built the engine with 14-1 compression and run it on E85 only. But if that what the customer wants thats what you build .
