Originally posted by dino.tw
It represents the igniting timing too late. So you will feel the power band like this ;
just take out 0.1mm shim and try again...
i think this represent you don't want to replace my d5. fine, i am going to the bbb with this.
but dino, i am using 30% fuel, 0.3mm shim is going to be ok ? what is the recommanded nitro % fuel for the d5 anyways ?