Ratio to restore
The numerically higher axle ratio that returns the truck to its stock effective gearing on larger tires.
Gear ratio
Find the right gear ratio for bigger tires.
Enter your stock and new tire size with your current axle ratio to see the regear that restores stock drivability.
In short
Calculates the axle ratio needed to restore stock feel after a tire diameter change.
- Shows the effective ratio you are left with on the old axle and the nearest stocked regear ratio.
- Community guidance: 33s usually go to 4.88 and 35s to 4.88 or 5.29, with front and rear regeared together.
What it does
How this tool helps.
Effective ratio lost
The lower effective ratio you actually run if you keep the stock axle with bigger tires.
Tacoma regear guidance
Rules of thumb by tire size, factory ratios by generation, and the nearest ratio shops actually cut.