Originally Posted by
HaulinBass
Sure if you want an engine that is way out to lunch when it comes to deck height, or that will ghost flame on you ten minutes into a run.
Ive been running nitro the better part of ten years, these engines are far from what i would call easy to tune. I love the powerband of the 7port i just cant live with the unreliability
then thats your tune or somethin bud, i got both my go motors used and i loved the .21 5 port until the case cracked and seized. but before that i never had an issue and it ran great.