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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Transmission - Rearend> Hard to find 41 & 15 tooth speedo gears 700r4
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Topic Review (Newest First)
09-12-2012 07:43 AM
elcaminodragster
Quote:
Originally Posted by Crosley View Post
the after market grey 15 tooth gears are tight on the output shaft. Be careful, it is best to lightly sand the ID on the gear so it is not so tight. We had one gear split open as it was pushed on.

I have a new Delco yellow 41 tooth gear, in the box. Yep , they are pricey
Thanks for the heads up on the 15 tooth . I would have been pretty upset if it split in me.

Quote:
Originally Posted by dogwater View Post
I think I might have one,(41 tooth) can look when I get home.It is used but in good shape.I've found them in Camaros & Firebirds/Tran Am's up to 1990 that have 700's in them also dually trucks an 1 tons.I know I have a gray one,its new.
Used is totally fine with me pm me if you have them please. I think I'll be hitting the junk yards this weekend to get a few things and I'll look for the gears while I'm there.
09-12-2012 06:44 AM
dogwater I think I might have one,(41 tooth) can look when I get home.It is used but in good shape.I've found them in Camaros & Firebirds/Tran Am's up to 1990 that have 700's in them also dually trucks an 1 tons.I know I have a gray one,its new.
09-12-2012 06:22 AM
Crosley the after market grey 15 tooth gears are tight on the output shaft. Be careful, it is best to lightly sand the ID on the gear so it is not so tight. We had one gear split open as it was pushed on.

I have a new Delco yellow 41 tooth gear, in the box. Yep , they are pricey
09-11-2012 09:49 PM
66GMC Chevymania.com

GM #8642620 15 tooth drive gear - grey
GM #1362195 41 tooth driven gear - yellow

According to the charts, you have:
4.10:1 diff ratio
30" tires

And yes, that 41 tooth gear seems very hard to find!

Ooops! Just noticed that SSedan64 came up with the same info.
09-11-2012 07:37 PM
Cape Cod Bob Try the tranny rebuilders too !
09-11-2012 04:45 PM
elcaminodragster
I will call them first thing tomorrow. If they don't have it I will be hitting the local yards again it's been about a month since I was last there.
09-11-2012 11:21 AM
SSedan64 GM #1362195 41-tooth Yellow
GM #8642620 15-tooth Gray

Type those #'s + your Zip in here >> Welcome to the part locator
Several Stores show the Driven gear is available, only 2 show the Drive gear.

If you can't find exactly what you need, a Ratio Adapter may work, PATC has them.

Good luck, Todd
09-10-2012 07:03 PM
cdminter59
Speedo gears

TCI 880018 TCI GM Speedometer Gears Call and check. </Title> <meta name="description" content="" /> <meta name="keywords" content="" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <script type="text/javascript">var proto = "http:"; if (document.location.protocol == "https:") Call to make sure this is a GM discontinued item. Check auto recyclers in 1988-1990 C10-20-30.
09-10-2012 04:02 PM
elcaminodragster
Hard to find 41 & 15 tooth speedo gears 700r4

I need to find and order speedo gears for a 700r4. 15 tooth gray drive gear and a 41 tooth yellow driven gear. I called PATC and they are out of stock and will not be in stock to place an order for quite some time...

The local Chevy dealer took his time to flip through the book for me found the part numbers but could not order them...

I did find them on eBay but it would be over $50!!!!

I have been hunting hard for them but so far no luck. Maybe im not lookig in the right spots... Does anyone know where to buy them? Any and all help is welcome thank you

700r4 15 tooth gray drive & 41 tooth yellow driven.

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