Originally Posted by
mstrfahrenheit
Picked up a used nt1 w/the M3 engine. Reds website suggests 16% nitro but for the life of me I can’t find any for sale. Would there be any issues if I raced w/20% this weekend?
20% nitro will be fine but you may need to re-shim the head for higher nitro content in the fuel as it will be setup for 16%.