Originally Posted by Nano
Lately we sell the engine (which has the regular combustion chamber) with only 0.1mm shims. The original and conical combustion chambers don't have the same dimensions, so if you use only 0.1mm with the conical chamber bad things could happen.
0.3mm is then minimum when using the conical chamber. I think it should be ok for 16-30% nitro.
Nano
Nano wasp (old version) & 07 version what different,just only cab different,how about Piston,Liner,all same