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Old 07-12-2024, 03:50 PM   #2
RustyPile
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Join Date: Dec 2017
Location: Elkhart, Texas
Posts: 1,659
Re: TH400 Speedometer Gear Housing

To coin a phrase from a famous movie: "You have two, maybe three choices".... If you have already calculated the drive/driven gear combination needed, simply obtain a 34 - 39 gear housing.. Second choice would be increase the drive gear by one tooth count.. recalculate the needed driven gear tooth count.. Obtain the proper housing for that gear..

Here is the TCI speedometer gear information site that I use..

https://www.tciauto.com/speedometer-gear-calculator#400
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