Speedometer Gear

383S10

Frequent Racer
Feb 29, 2004
581
0
0
Huntsville, AL
Getting ready to install motor & trans for my Regal........I will be using a 700r4 with a 2500 stall & 3.73 gear....does any body know or can tell how how to determine which speedometer gear to use to get the speedomter read right, thanks everyone.
 

TNTS79

Dragway Regular
Jan 6, 2006
1,252
0
0
Illiniois
Tire size diameter and circumference will get you real close with the online calculators. Mine is spot on w/3.55's and 26" dia rear tire with my 700r4. Dont remember what colors/# of teeth... Sorry!
 

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