Originally Posted by
bigmatt
open lsn to get idle down. 30%makes engine run cooler. DO NOT MIX THE 2 DIFFERENT NITRO'S. You will have tuning issues like never before. I had some byrons left in the tank[30%] thought what the hell, and filled with sidewinder[30%] car never ran right at all.
I agree don't mix the nitro but the higher nitro will make the engine run hotter not cooler which is why a cooler plug is recommended so it won't burn out..I'm prepared to be corrected on this by an expert but higher nitro%=higher combustion temp....as far as I know..