RPM to MPH CALCULATOR
This calculator gives your speed in gears at the given RPM's.
ONE: WHEEL and TIRE SIZING
85/86 XR4Ti (195/60-14)
87-89 XR4Ti (195/60-15)
Custom Size
      / -
TWO: TRANSMISSION RATIOS T5 Ratios Chart
Manual XR4Ti
Automatic XR4Ti
T5/Other - choose by:
     Borg Warner #:
          or
     Year/model
 
First: :1 Second: :1
Third: :1 Fourth: :1
Fifth: :1 Sixth: :1
You may manually enter ratios.
THREE: DIFFERENTIAL RATIO:
Manual XR4Ti (3.64)
Auto XR4Ti (3.36)
Scorpio (3.64)
Custom Size
      Ratio: :1
FOUR:
RPM 1st 2nd 3rd/(D) 4th/(OD) 5th 6th
1000:
1200:
1400:
1500:
1600:
1800:
2000:
2200:
2400:
2500:
2600:
2800:
3000:
3200:
3400:
3500:
3600:
3800:
4000:
4200:
4400:
4500:
4600:
4800:
5000:
5200:
5400:
5500:
5600:
5800:
6000:
6200:
6400:
6500:
6600:
6800:
7000: