Pummu Talladega Gear Ratio & Top Speed Calculator
Free Pummu Talladega gear ratio calculator. Enter your redline, tire size, gear ratios and final drive to see the top speed of every gear before you tune.
Pummu Talladega Gear Ratio & Top Speed Calculator
Tuning the gearbox is the cheapest way to find top speed in Pummu Talladega — no Cash, no parts, just the right ratios. Before you guess, work out where each gear tops out.
Enter your car's numbers below: the calculator shows the speed of every gear at redline and your overall top speed. Lengthen the upper gears (smaller numbers) for top speed; shorten the lower gears (bigger numbers) to launch harder.
| Gear | Ratio | Speed @ redline |
|---|---|---|
| 1 | 3.40 | 49 mph |
| 2 | 2.20 | 75 mph |
| 3 | 1.60 | 104 mph |
| 4 | 1.20 | 138 mph |
| 5 | 0.95 | 174 mph |
| 6 | 0.80 | 207 mph |
Shorten a gear (bigger number) for faster acceleration; lengthen the top gears (smaller number) for higher top speed. Lowering the final drive stretches every gear at once.
How to read it
- Redline (RPM) — where your engine hits the limiter.
- Tire diameter (inches) — bigger tires raise speed for the same gear and RPM.
- Final drive — multiplies every gear. A smaller final drive stretches the whole gearbox and raises top speed.
- Gear ratios — a smaller number is a longer (faster) gear.
Quick tuning rules
| Want | Change |
|---|---|
| Faster launches | Shorten 1st–3rd (bigger numbers) |
| Higher top speed | Lengthen 4th+ (smaller numbers) or drop the final drive |
| All-round | Keep lower gears short, make the top gear as long as the engine can still pull |
FAQ
What gearing gives the highest top speed? Lengthen the top gear and lower the final drive until the engine just reaches redline — any longer and it can't pull. The calculator shows the speed at redline in each gear so you can see the ceiling.
Why does my car stop accelerating before the top of the rev range? Your gearing is too short: the engine hits the limiter before the car reaches its potential. Fit a longer ratio or a smaller final drive.
Does tire size really change top speed? Yes — a larger tire covers more ground per rotation, so top speed rises for the same RPM and gear.
Related Pummu Talladega guides
- Fastest cars — what to build toward
- Best settings — full setup
- Car generations — Gen 5/COT vs Gen 7
- Scheme codes — free paint codes
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