Quote:
Originally Posted by bhap
What color was your original 22 tooth driven gear? If it was green, then it was the larger .870 diameter - which works with the 1.76" drive gear.
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Green is my 22 tooth gear
The 21 tooth, Red works but the 20 tooth, blue does not. Seems like the drive gear teeth just don't contact the smaller 20 tooth gear
My tires are 28.9" tall (235/75 R15 BF Goodrich) with 3:73 gears. RPM at 70 mph is 3k rpm. Speedo is about 4-5 mph off (reads slower than actual) so a 20 tooth would be ideal....although the online "calculator" says 21 tooth