guys, i found the problem:
first of i used the wrong plug for the nitro content that I'm running. (switched over to lc3 plug)
second, i was using the wrong fuel, the fuel i used before was the 16% optimix rtr with 15% oil, and then i switched over to their race version which has 10% oil. And...
thks imma head getting a hotter plug:)
idk man the trx 3.3 only has one shim which is for sealing so that the head won't leak, not sure if i will remove it...
I'm running a stock revo 3.3 with optimix 16% fuel
I'm running my engine relatively rich and a whole bunch of blue smoke is visible during the acceleration, so i assume that everything should be theoretically fine apart from the fact that the temp was at 280f, i tried richening the needles but...