Originally Posted by
bigmatt
I have a friend that has a caster grenade engine. that thing always starts out good but then the power seams to fade fast on it. as it gets up to temp just really falls off unlike a go tec. I thought they were 7 ports? that were modded?
It's probably a tad lean on top and with full tank / colder engine it works but starts to act when hotter. Another option is that the fueltank is cracked and it sucks air.
Grenade is just a slightly modified GO 5pt