hay hauler john
New member
installed a diablo predator tune and now when you get ou it it flutters but drivin normal its fine it has a 2.65 sc pully and everything else is stock ran great when i first got on it for agout 4 seconds then let off turned around came back and got on it and started fluttering i installed the pully tune with 91 octane fuel could it be the plugs or mas