Well got the kit on and working, Without the alky, 93 octane the truck run 13.19, Made a run with it at 12 o'clock it run 13.60, Turned it off and it run 13.40, Back on 13.47, Back off 13.40, So it run slower with alky and runs slower after using alky, It will be awhile if ever I get to try anything, Hit a deer on the way home, Was running about 60 and it was like it just droped in front of the truck, Didn't even have time to get off the gas