Hi, i just finished breaking in engine. after couple pull of FULL throttle, my engine dies. (happened twice today during two tanks)

so i tried to restart the engine, BUT this time, whenever i pull the pullstart, the engine was VERY rough. i tried couple more times and gave up cuz i didn't want to mess up my engine. I cleaned the engine with WD-40. i couldn't go to my LHS to buy after run oil, but i'll buy one soon.

what caused my problems?? I'm a newbie at nitro, so please help me. Thank you very much.

I have HPI RS4 3 SS with .12SS engine.

What do you mean it was rough? The engine idled rough, It drove rough, the engine started rough? Need more info.

I think he means when he pulls the pullstarter the engine is rough.

rough as hard to pull. i guess there are some binding. when Weather gets clear, i'm gonna retry. I didn't tighten the glow down all the way down this time. just tight enough so that no fuel will leak.

you haven to much fuel in your engine. start tilting the car and stuff and youll see the fuel pour out of your exhaust. this means your carb needle is too rich. lean it out by going clockwise