Georgia Fiero Club Official Website

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This will calculate the speed of your Fiero (or other car) in each gear at a given RPM with each of the available transmissions.

The following fields can be edited: Engine RPM, Tire Size, all gear ratios and Cruising Speed.
Select your transmission from the drop-down menu in one of the tables. Select other
transmissions in the other tables to compare it with.

Speed = Your speed in that gear at the Engine RPM you entered.
RPM = Your RPM after shifting from the previous gear at the Engine RPM you entered.

Engine RPM
Tire Size (metric)
Tire Diameter (inches)

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Final


First
Speed:


Second
Speed:
RPM:
Third
Speed:
RPM:
Fourth
Speed:
RPM:
Fifth
Speed:
RPM:
Sixth
Speed:
RPM:
Cruising Speed
mph at rpm
Final


First
Speed:


Second
Speed:
RPM:
Third
Speed:
RPM:
Fourth
Speed:
RPM:
Fifth
Speed:
RPM:
Sixth
Speed:
RPM:
Cruising Speed
mph at rpm
Final


First
Speed:


Second
Speed:
RPM:
Third
Speed:
RPM:
Fourth
Speed:
RPM:
Fifth
Speed:
RPM:
Sixth
Speed:
RPM:
Cruising Speed
mph at rpm