[coolhandcountry]

That truck's owner is on this forum. I have seen the video before. I think he has a two speed in it. With a 8xl and the same gearing the 3 speed is 10% faster and has a 10% lower first gear as well. I think 6s on a 7xl well create heat problems. 8xl should put you at your runs time but it depends on the mah of the batteries.