GP Setup Guides

Rollout, Final Drive Ratio (FDR), and Transmission Ratio

What is rollout? What is FDR? What's a transmission ratio? And how do I use them to set up my RC car?

How to Set Torque Level on an RC ESC

Tekin's Ty Campbell explains what the "torque level" setting on RC ESCs means and how to set it to fit your driving style.

RC Engine Tuning for Low Nitro Fuel

Adam Drake, Mugen Seiki factory driver, offers tuning tips for engines running fuel with 25% or less nitro, a situation more and more common as environmental controls extend to more countries.

How to Break In a Nitro Engine

JQ explains the nitty gritty of why you should break in your engine, what the point is, and why it's perfectly fine for you to do it yourself without hiring an outside service.

RC Shock Oil Viscosity Comparison Chart

Compare the viscosities of various brands of shock oil, including Associated, Losi/TLR, Mugen, Flash Point, Kyosho, Hudy, Yokomo, and more.

How to Waterproof an RC Race Car

Alex Hagberg explains how to prep an RC car for racing in the rain. Many of the tips are relevant for all car classes (how to protect your radio equipment, ESC, wiring, and motor), but the setup tips (flex, camber, etc) are focused on on-road touring cars.

RC Roll Center & Weight Transfer by Ray Munday

Everyone's favorite Aussie gearhead explains the fundamentals of weight transfer in racing and how it can be used to increase traction or change the front-to-rear relative traction while cornering. In Part 2, he covers roll center and how it contributes to cornering relative to shock springs and shock oil & pistons. A must watch for all tuners!

RC Nitro Clutches: 3-Shoe vs 4-Shoe

Rajaa111 explains the ins and outs of clutches for nitro cars, and how you can choose whether you want to go with a 3-shoe or a 4-shoe clutch.

chassis roll

oversteer