Originally Posted by
rcabj
not so sure about u, but i am about 100-200 ft above sea level....i find my stock TZ is better with 0.4shims when using P7 plug and 16% nitro..runtime usually more or less 6 minutes.
BTW guys.... i found out my TZ3 + max 2602 pipe combo to be very impressive all round.
I will give it a try with the 0.4 shims, is safer for my engine. But i am still wondering if i could take all the shims out, would the piston hit the head?