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Latest Guides

RC Diff Tuning: 2 Gears or 4 Gears?

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!

When to Replace an RC Clutch with Adam Drake

When to Replace an RC Clutch with Adam Drake

Adam explains how he measures his clutch pads to see if they need to be replaced, and explains how running on old clutch shoes will hurt your performance.

How Often to Rebuild 1/8th Scale Off-road Diffs

How Often to Rebuild 1/8th Scale Off-road Diffs

The Drake explains how to know when your diff needs to be rebuilt, something all off-roaders should know!

How to Tune the Clutch in an Off-road Nitro RC Car or Truck

How to Tune the Clutch in an Off-road Nitro RC Car or Truck

The Drake talks clutch shoes and clutch springs, and how to choose them for your RC racing application, with a focus on 4-shoe clutches.

Off-road Pill Insert Tuning with Dakotah Phend

Off-road Pill Insert Tuning with Dakotah Phend

Yep, Dakotah's back, this time explaining one of the most mysterious aspects of off-road RC car tuning - the pill inserts (inner suspension mounts.)

Off-road Camber Link Tuning with Dakotah Phend

Off-road Camber Link Tuning with Dakotah Phend

Dakotah continues his series with a very accessible explainer of how to tune your off-road RC car using the camber links.

Off-road Differential Tuning with Dakotah Phend

Off-road Differential Tuning with Dakotah Phend

TLR's top driver, Dakotah Phend, explains the basics of differentials and moves on to explain how to he tunes the diffs in his cars.

How to Build a Ball Diff for 1/10 Scale Off-Road Racing

How to Build a Ball Diff for 1/10 Scale Off-Road Racing

Aydin Horne explains how to build a ball diff and how to avoid common mistakes

How to Choose Diff Fluid for your Off-road RC Car

How to Choose Diff Fluid for your Off-road RC Car

"The Drake" explains his philosophy on choosing diff fluids for his 1/8-scale off-roaders.

Building Gear Diffs for 1/8th Scale Cars with Ty Tessmann

Building Gear Diffs for 1/8th Scale Cars with Ty Tessmann

Learn about the oils, greases, and prep needed to get a gear diff running super smooth in your 1/8th scale ride. He uses an XRAY diff to demonstrate, but most of the techniques and advice are universal.

RC Nitro Clutches: 3-Shoe vs 4-Shoe

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.

CV Joints or Universal Joints? Tekno's Joe Bornhorst Explains

CV Joints or Universal Joints? Tekno's Joe Bornhorst Explains

Which type of driveshaft is right for your car? Joe explains what track conditions are ideal for each, with a focus on 4WD cars.

How to Build the Perfect Ball Diff

How to Build the Perfect Ball Diff

Tony Newland of Klinik RC shows in detail how to build (or rebuild) a ball diff the right way. This one goes almost 25 minutes, so grab some popcorn and get ready for some serious learnin'.

CVD/CVA vs Universal Joints - Choosing Driveshafts in Off-road RC Racing

CVD/CVA vs Universal Joints - Choosing Driveshafts in Off-road RC Racing

Max Mört explains how their friction characteristics can help you decide if you should run constant-velocity driveshafts (CVDs) or universal joints in your car. He uses a 1/8 off-roader for his demos, but the physics apply to all types of RC race cars.

How to Set a Slipper Clutch

How to Set a Slipper Clutch

TLR Product Developer Frank Root explains the ins and outs of setting a slipper clutch on a 1/10 scale RC car. He uses a 22 5.0 DC for the demo, but the advice applies to any off-road 1/10 scaler.

Spencer Rivkin Builds a Ball Diff

Spencer Rivkin Builds a Ball Diff

Are you well-versed in the fine art of building a ball diff? If not, check out Spencer's explainer.

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

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 Build an RC Clutch with Ty Tessman

How to Build an RC Clutch with Ty Tessman

To get the most power and efficiency from your RC engine, you need to build and set your clutch correctly. Ty Tessman walks us through is process in this explainer video.

How to Set Gear Mesh on Nitro Cars

How to Set Gear Mesh on Nitro Cars

Adam Drake explains in detail how to set the gear mesh properly on a nitro car, discussing the gears themselves as well as the motor mount and what kind of threadlocker to use.

T4 Differential Build Tips from Alexander Hagberg

T4 Differential Build Tips from Alexander Hagberg

Alex has thoughts on how to build a solid, leak-proof T4 diff.

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