Just ran the 3r in my truggy! its a PTM and was runnin it with an 086. This engine was meant for my buggy but my v-spec is gettin new bearings so I decided to through it in the truck. It is still breaking in and man it was doin really well. Mind you its pushin an x1crt (not the lightest truck) and I had a 14 tooth bell on it from my buggy! I went from the JP-4 to the 086 on this engine and it made all the difference in the world. Basically the only difference between the dynamite 086 and the 0801 is the length of the header. A guy at our track ran the 0801 last night and he said he felt it had a little more low/mid than the 086. But for the money dynamite 086 is where its at