The housing that the driven gear goes in has the gears number of teeth that can be used with that housing printed on it. About 4or 5 different gears can be used in that housing. I have used plus or minus one also. That may be confusing but clean off the face of the housing & you will see what I mean'
Speedos are calibrated 1000 revs. per mile.
George


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum