Transmissions and Drivetrain Need help with your trans? Problems with your axle?

Speedo driven gear metal housing part number?

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Old 05-18-2017, 08:30 AM
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Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Speedo driven gear metal housing part number?

Fished through a bunch of threads without really hitting upon anything.

I recently went from 2.73 to 3.42, got the correct speedo gears but I learned my trans has the original plastic housing with the metal shaft driven gear. So I need the newer style metal housing as my plastic driven gear will not fit. I can't seem to find anything definitive here or elsewhere.

Just looking for the correct part. 1989 TH700R4.

Thanks.
Old 05-19-2017, 10:34 AM
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Car: 1989 IROC Convertible
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Axle/Gears: 3.42
Re: Speedo driven gear metal housing part number?

helllLLLOOOOOOOOOoooooo.

Should I drop $25 on a small aluminum part? Is this what I need for my 40T plus gear?
Old 05-20-2017, 09:03 AM
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Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Re: Speedo driven gear metal housing part number?

Beuler, Beuler Beuler...

Alright I ordered this:

https://smile.amazon.com/gp/product/...?ie=UTF8&psc=1

Old 05-20-2017, 09:57 AM
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jmd
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Re: Speedo driven gear metal housing part number?

I'm glad the aluminum is available again.
NLA when I last looked; plastic was the only option.
Tonnes of stuff getting reproduced these days.
Old 05-24-2017, 10:40 AM
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Join Date: Aug 2009
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Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Re: Speedo driven gear metal housing part number?

FYI this is the correct housing for TH700R4 and the all-plastic 40-43 tooth driven gears




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