X2....Iv'e never needed any more than 70%.
Originally Posted by
Jaz240
Anything more than 70% is just a waste of power and fuel. These engines make all there power at 25-50% throttle. All the power after that will just help it continue to pull down a long straight. If you don't have a 200 foot straight on your track than limit throtle to 60-70% of full open. Your car will do everything you want it to, be plenty fast and your fuel milage will be allot better.