SpeedCalc

      Have you ever wanted to know how fast you were going? I know a lot of you may have a speedometer that may be a little off, or maybe some of you are rebels and like to go really fast... Well, in either case, as long as your tach is reading about right, you can find out how fast you were really going, right here.

      To get going, just follow the forms below to find your specific Fiero's gear ratios, or if you already know them, just skip straight to the I Already Know Everything Form. This form will work regardless of what car you drive.

Start Here:

* NOTE: Please make sure you put in the year of your drivetrain, not the year of your car, should they be different...

      This page was created using information from the Fiero Online Service Guide and formulas from TireRack.com.