Really really frustrated today....and really miss my old trusty OS....So I decided to heck with it and tried to blow my new nova up... I started it up, set everything to factory, left the glow plug heater on then gave it full throttle for a minute on box....At that point, I really didn't care if the engine blew up.....temp climbed sky high to 302F... shut down the engine, let it cool....Then voila!!! MAGICALLY after the attempt to blew my engine up NOW my engine would idle without the glow plug heater attached!!!??? What give??? Is manufacturing tolerance of Nova really is that bad??? Seriously, not trying to trash nova or anything, not mentioning OS which is million times easier than this, but I've seen Chinese engine with so much better manufacturing tolerance than this Nova. and yes, i used comp heater and always pre heat for 20-25 min to 180-190 before starting...

A side story, I mentioned about adding 0.1 shim, the original nova shim that I bought actually needed to be reamed on the inside edge to fit, once again, is manufacturing tolerance of nova engine really is that bad??..

Before that crazy attempt to blow up my engine, my engine is next to impossible to start in other than factory setting needle (5 out LSN 3.5 out HSN), and 100% impossible to idle without glow plug heater attached....I've changed the plug 4 times!! Switch fuel, richening, leaning, undo plug dump excess fuel for like 100 times, I've tried everything I know and I came from many years of glow engine experience with touring, heli, plane and recently buggy.... Now it idles smoothly, nice trail of smoke and very responsive to tune change.....Now on 5th tank with slightly rich slow run....

The scary part is, this is still the break in attempt, I've heard horror stories about Nova keep on flaming out during run......