Thread: Transmission Speedometer Gear
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01-01-2005 11:01 AM #1
Transmission Speedometer Gear
I need to find out how many teeth I need on the gear in my transmission for my speedometer to read accurately. I have a turbo 400 transmission. 29 inch tall Mickey Thompson tires with a 456 gear ratio in the rear end. Can anyone tell me what size (how many teeth) gear I need?
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04-21-2005 03:59 PM #2
a 15 tooth drive gear with a 45 tooth driven gear is as close as you can get
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04-22-2005 03:55 AM #3
hey denny,,,how come my icon is showing up on the post above??i sure as hell didn't post that question about speedo gears."I don't know everything and i like it that way"
You're welcome Mike, glad it worked out for you. Roger, it's taken a few years but my inventory of excess parts has shrunk a fair bit from 1 1/2 garage stalls to about an eight by eight space. ...
1968 Plymouth Valiant 1st Gen HEMI