contrary to what you would think too much oil will actually make the engine run hotter as oil holds heat...so just use a quality fuel such as Werks and you will be just fine on my truggy outdoors I really liked the 2058 but indoors you can not beat the 2013 heck I even ran my truggy with a b6 and 2058 pipeset with good results talk about butter smooth but yet jumped anything in its path