🔧 Tuning Guides
3 guides in this topic.
Tires: Compounds, Tread, and the Foam Inserts Nobody Explains
The biggest single handling change on the car, and the one most often ignored. Compound and tread matched to surface, why the foam insert does more work than the rubber, gluing, venting, and diagnosing by symptom.
Differentials Explained: Gear, Ball, Spool and Locked
What a diff is actually for, the four kinds you'll meet, exactly what thicker oil does at the front, center and rear, how to fill one without trapping air, and how to spot the classic "diff is out" failure.
Traction Rolling: The One-Direction Test, and Why Stiffer AND Softer Are Both Right
The four physical levers behind every traction-roll fix, the question that saves weeks (does it roll BOTH ways?), why stiffer and softer are both correct advice for different cars, and the order to work through it.