Originally Posted by
RETRO RC
well my 7's done around 8-10 galoons now and it's been thrashed
the only thing I've had problem with is the carb as mine was one of the first batch of engines go did it had corse threads on the mixture screws and a plastic sleave on the carb not an ali like they do now and I've had 1 ali sleave come loose but fixed that pretty quickly
the engine maybe getting a tickle up in the next few weeks as I've got a couple of 5pts coming from our local agent for me

yea im so torn over what i like better the 5 or 7...heck maybe the 21-3R will beat them both lol...