thx!
yeah, that guy had the exact same problem as me when running his truck, it turns out for me as well to be the fuel, i recently switched from optimix 16% nitro 15% oil to their race version (10% oil instead), and as he said, when u run lean, your timing gets advanced. And plus the fact that...
I can't prime my engine by blocking the exhaust. But I did it with no problem when blowing through the exhaust outlet or the back pressure tube.
When i crank the engine over one time (with the exhaust blocked trying to prime it) i can see the fuel in the line moving forward (by forward i mean 1...