We Raced for 6 min in Mod at my area track for the the time which really must have been five min. So with only 1200 mah batteries in 4wd it was challenging not to dump. So I attempted all motors and gearing to become on speed & not dumping. https://1979lemansposterart43247.bloggerchest.com/34833429/the-best-side-of-motorsport-collector-s-poster