Originally Posted by
asw7576
Agreed.
Engine temp will increase too.
piper48 : the most expensive fuel is runnertime. ( I assume the most expensive = the best ).
I use runnertime and o'donnel.
technically the higher the nitro content the cooler the engine should run. But this also depends on tune, oil content. Sometimes high oil content fuels will make an engine run hotter.
If you go from 16% to 25% in many cases you will be faster and will run cooler.