⚙️ Differential Tuning — 4WD Touring Car

Front spool (locked), rear gear diff with grease weight — your ONLY diff tuning lever

Recommend
Analyze Setup
Compare Setups
Setup Sweep
Reference

Conditions & Goal

Recommendations

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Current Setup

4WD Touring Layout: Front = Spool (locked, no tuning) | Rear = Gear Diff (grease weight) | Center = None (belt drive)

Front Diff

Rear Diff (Gear Diff — Grease Weight)

2500-3000 = loose | 5000 = baseline | 7000-10000 = tight

Track

Analysis Results

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Setup A

Setup B

Track for Comparison

Comparison Results

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Front vs Rear Setup Sweep

Shows handling balance for all front/rear combinations. Green = neutral, Blue = understeer, Red = oversteer.

Gear Diff Oil Reference

Ball Diff Preload Reference

Quick Guide

Front diff: Controls entry behavior. Looser = more rotation. Tighter = more stable.

Rear diff: Controls exit traction. Tighter = more drive. Looser = smoother.

Center diff (AWD): Controls power split. Tighter = 50/50. Looser = rear-biased.

Rule of thumb: Front should be equal to or looser than rear for neutral balance.

Track type: Tight tracks need more rotation (looser front). Fast tracks need stability (tighter both).