Spentona

IF the engine stalls after full throttle followed by full brake, you should increase the throttle trim. Your carb. is probally close all the way cause the engine to run of of air. Incrase the throttle trim on your radio until you see aboug 1mm gap w/ full brake.

R/C Engine tends to run irrgularlly if the temperater is too cold. -2 degree is way too extreme. You will need to lean the engine more than usual to make sure the engine is inside the correct operation temp. Without adjusting the engine ratio, your engine is probablly running to rich. This can cause the truck to stall as well.