what % fuel next

[redneck]

i have side winder 20% right now what fuel is the best ban for the buck in % of nitro

 

[oregonmud]

More power and cooler temps from running 30% in my experience. If you switch from 20% to 30% (or even switch brands of fuel with the same nitro content) you need to richen your settings slightly to break the engine in on the new mixture. Just for a tank though, not like breaking in a new engine.