The Tamiya Frog is a beloved classic in the world of 4WD buggies, but like many early RC designs, it has its quirks. One of the most talked-about issues among hobbyists is related to the front wheels and steering assembly. While the Frog was innovative for its time, the design of the front end can cause a few headaches if not addressed carefully.
1. Wheel Hub Issue
One common problem is the small hub on the front wheels that can wear out or strip over time, especially if you’ve been running the car hard or using aftermarket tires with tight fits. Once it slips, your steering becomes unpredictable, and you may notice the front wheels not responding properly to input, or that the entire wheel would just fall off.
2. Loose Steering Posts
The Frog’s front steering posts are relatively simple, but they can become loose or worn, especially after decades. Play in the posts translates directly to sloppy steering, making the buggy feel unresponsive. This is particularly noticeable on jumps or rough terrain, where precision matters.
3. Front Suspension Arm Weakness
The original front suspension arms were designed to be lightweight and simple. While durable for casual bashing, they can flex too much or even crack under stress, affecting wheel alignment. This results in inconsistent handling and can exacerbate the wheel slip problem.
Regarding fixes to the first two problems, the photos say it all…
