hey, i just got my new ofna .12 purring like a kitten, but im out of fule! i want to save the $8.00 by going from 20% to 15% but i dont know how hard it will be to tune back to perfect! and will this decrese life of the engine? please help me! []

Probably have to close the the needle a little. Should be no problem otherwise.

so you actually lean the engine? will this cause lowerd life?

It'll probably only need a few clicks in if you even notice a difference but you're not actually "leaning" it....you're simply retuning for a different fuel. It won't have any affect on engine life.

ohh good, still new to nitro powerd things... dont want to sacrafice life on the new engine, its the cheapest one out there "ofna redhead .12" but this seems better than my cv-r and .15 nitro star on the account that it pushes 38,000 rpms.

what fule do you suggest? i like odonnal and blue thunder they proform exactly alike.

I have an ofna ravager .28 and the 15% is ok, doesnt have the response of say 20 or 25%. If anything your motor will last longer as long as you dont overheat it. I was using plain old powermaster in mine and it runs great. More nitro=more needle. less nitro=less needle.

yeah im running cool power full synthetic 15% (plane fuel) for a gallon for only $15 and i like it better than the others.
of course with my a.d.d i put a half bottle of midas touch in the brew not the usual 8 drops, it drops the temp by about 25 deg, it bogs a little when its cool (higher vicosity), but when its about 120deg it rips the road a new one