Originally posted by Brett.w
Hi We are having a race here on the weekend were we are allowed to use 30% fuel we usually run 16% i was just wondering what i need to do to the engine to get the right performance out of it, when going from 16 to 30% fuel? (e.g re tuning, adding shims etc)
The engine is a JP FX12 Mod .12
The fuel is synthetic
honestly i've always run on 25% nitro....
i think there should be no problem changin nitro% ...but still u have to retune and maybe colder plugs
and don't forget more nitro means less lubricants....so better stay on the rich side a bit