Originally Posted by speedy2
thanks
I run stock shimms with 25% nitro is that alright , I had no problems till now..
but as I am leaning out, piston can come higher in the sleeve , no?
2 first tanks being full power in the straight with no issues
by the way this motor is real good as you know.....
Stock shims with 25% is no problem. But once the compression become less,the output power will become less,too. So I suggest people to remove some shims after break-in process. You can remove 0.1mm out then feel its different. After you remove some shims,you need to rich the HSN.
No,the stroke still the same.
If the clutch has no problem,check the engine temp. If enging temp is too high,the engine will snuff out,too. Try to rich the HSN 1/4 turn,if it becomes better that means engine overheat.