Originally Posted by
flywilly
If it ran well for Rich, then I would check your fuel system (tank and plumbing) before you start 'adjusting' the engine. And definitely check with Rich for the fuel (nitro and oil %s) and prop he used.
Good Luck!
Ah, yep. I missed the bit about Richard running it.
So it could be a plumbing issue or maybe a blocked fuel filter.
Also, if the 19 x 11 is bigger, then that would make it run lean.