what...a lean bog from a fast throttle servo....
.....i run the Rangiest of .21's and also run a 3PKFaast on HRS with my throttle speed at 100% and ushally some Expo on the + side on throttle.....the Mechanics are soo up to the Job....but i think u need to check into other things...like clutch and maby the truck itself....i dont see how that would make Any sence.....maby ur carb is sticking when it gets hott..or something is up with the linkages...i dunno.....i doubt its a servo issue....and why would u need 300+ oz on throttle ? do u run lipo to keep all that power on tap ?