Speedometer drive gears

Posted By PWH42 14 Years Ago

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PWH42	Posted 14 Years Ago
Supercharged Group: Forum Members Last Active: 8 Years Ago Posts: 854, Visits: 6.0K	I have a question that I should know the answer to,but I don't.I changed my car from FOM to a 3 speed overdrive and retained the original 3.23 rear end,so now the speedometer is way slow.Am I right in thinking that I need to change the 19 tooth gear for a 21 or 22 tooth gear? Paul, Boonville,MO
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Speedometer drive gears By PWH42 ( 14 Years Ago )

Paul The speedometer "sees" the RPM of the outputshaft of the... By Pete 55Tbird ( 14 Years Ago )

Thanks for the help,guys.I'm still not sure in my mind(what's left of... By PWH42 ( 14 Years Ago )

[quote][b]PWH42 (5/19/2011)[/b][hr]I'm still not sure in my... By charliemccraney ( 14 Years Ago )

But,when you change the rear gear ratio,you're changing both... By PWH42 ( 14 Years Ago )

Pete, The speedometer was right before the transmission change.And... By PWH42 ( 14 Years Ago )

[quote][b]PWH42 (5/20/2011)[/b][hr]
I just had a... By The Master Cylinder ( 14 Years Ago )

Paul,

If you had planned switching to radial tires down the... By DANIEL TINDER ( 14 Years Ago )

My 52 to 54 Ford repair manual tell what gears to use with which... By flathead_jr ( 14 Years Ago )

[quote]I just had a thought.Apparently the drive gear in the OD... By Teros292 ( 14 Years Ago )

This should help you figure out what gear you need-... By Ol'ford nut ( 14 Years Ago )

I've already figured out what I need to correct the speedometer.All I... By PWH42 ( 14 Years Ago )

Paul........I know that would be a rare factory setup,but they did... By PWH42 ( 14 Years Ago )

Paul . You might try advertising for a 17 tooth gear for the... By Ted ( 14 Years Ago )

Hi Paul, I've had good luck for hard-to-find Ford parts with a... By Nick Brann ( 14 Years Ago )

Thanks Nick,I'll give them a try tomorrow. By PWH42 ( 14 Years Ago )

Gene in Kentucky,that sent me a PM about a speedometer gear.........I... By PWH42 ( 14 Years Ago )