So i converted my old rc10 to brushless, runs great and fast but when i accelerate fast, something makes a squeaking noise but lately, it seems like it windes up. Ive rebuild the tranny, i can hold the outputs and spin the spur and it moves the gears. I think its the diff but i dont know what to do. No gears are grinding, its the diff or slipper but the slipper is all the way tight. Any suggestions. I have 2 trannys, a stealth and the original. Im gunna try the original and see what happens. But i want the strength of the stealth so i need help. Also, any upgrades should i do to the rc10, has rpm all the way around.