Do RC cars need differentials?

Unless you have a drag car, your RC machine has a differential—maybe even two or three. Even though nearly every car has at least one, and differentials are critical to a car’s handling, they are often misunderstood.

What is a ball diff RC?

A ball differential is a type of differential typically used on radio-controlled cars. It differs from a geared differential by using several small ball bearings rotating between two plates, instead of bevel gears.

What does thicker diff fluid do in a RC car?

Thicker front diff oil increases on power steering and add stability (slight push) into turns but if you go too thick it will decrease off power steering. Thicker center diff oil mostly increases the power to the rear more than the front.

How do I know if my RC differential is bad?

Put the truck on the ground and only lift one end. Now hold one wheel in place and turn the other, if it slips and crunches them most likely your outer gears are damaged. You might have to try different areas of the gear cuz only a part of it is stripped. Try this on both ends.

How tight should a ball diff be?

You should run a ball diff as tight as you can. If it slips, it fails(gets gritty). As the diff breaks in, it tends to losen up a little, so you should check after a few laps as stated. You adjust the slipper to match for traction conditions.

What does a slipper clutch eliminator do?

It eliminates any possible slip. So you’ll break ring and pinion gears or strip spur gears if you get bound up. People who comp usually don’t want a slipper and that’s why this is offered.

What weight diff oil should I use in my RC car?

The diff oils have a significant impact on your car’s performance. The basic set up we recommend is 5000 cSt in the front, 5000 cSt in the center and 3000 cSt in the rear. With this setup, you’ll achieve neutral behavior while cornering and during acceleration when exiting corners.