Send that P/S to RayARacing and have him repinch/check it out. I have had him do some work for me, he knows what he is doing. if it was pinched incorrectly, he can probably fix it.
Scott
Originally Posted by
Turbo9000
Thanks for the reply
I have given up on this p&s set for now. I ran it for about 4 tanks easily and the pinch at operating temps is still way too tight. The engine doesnt seem very happy.
Anyways, i put another (what looks) slightly used P&S set in the engine that the guy included as a spare. It still has great pinch at TDC, so im going to give it a try.
The guy says he was running 20% nitro, there is no shim under the head button. Should there be a shim under there?
This engine is a NS12S3 if that helps.