Originally Posted by Sofast-NT
I have a TZ T3 on my Adam Drake 2 stadium truck and it is running at 190 to 195.The amount of power that the TZ has is unreal.I run 10% oil,P-6 plug and i have taken the .02 head shim off.What i like so much is i don't have to touch the needles,It really keeps its tune.
i agree with you....
osengines keep their tune no matter what time of the day...
no major needle adjustments once you get the engine tuning right