GuideSource: Hall Brothers RC

RC Diff Tuning: 2 Gears or 4 Gears?

The Hall Bros explore how 2-gear diffs handle vs 4-gear diffs. It's a tricky topic, so it's a little light on technical explanations, but the "this is how it feels and affects your car" parts are great!

RC Setup App icon

Free to start · iOS & Android

Track your setups in the RC Setup App

Save your settings for 760+ cars, get personalized AI tuning answers for your exact car, and log your races — at the track or back in the pits.

Have a question?

Ask Miles, our RC Setup AI, trained on the So Dialed setup guide database.

Free, and your first answer needs no sign-in.