Originally Posted by advfuel
I am currently running a GRP 21 Tuned On road engine in a MRX-X 1/8 scale. I am only just getting 5min runtime. If I do one extra lap it runs out of fuel. How can I improve my run time ?
Here are a couple of suggestions to improve run time;
1) use a lower % of nitro - this will require that you lean the High Speed Needle and it will give more run time.
2) add a .1mm shim to the engine - this also will require that you lean the HSN which will give you more run time.