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Author Topic: Gear reduction unit  (Read 7365 times)
paceme
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« Reply #15 on: January 01, 2008, 11:14:11 AM »

I believe 22 tooth Driven Gear will work with that adapter.
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Steve Shauger
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KurtS
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« Reply #16 on: January 01, 2008, 01:17:40 PM »

And I think that with an 9 tooth drive gear, the car doesn't neet the adapter at all (like John's car).
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Kurt S
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paceme
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« Reply #17 on: January 01, 2008, 02:03:03 PM »

And I think that with an 9 tooth drive gear, the car doesn't neet the adapter at all (like John's car).

That would be my guess as well. I don't have any data on 9 tooth drive gears utilizing a reducer. Each transmissions has a part# tag that designated its build configuration. If 9 tooth drive gear transmissions did not need adapter/reducer in high numerical gear applications then why wouldn't they install transmissions configured as such based on the part# tag. Assuming that the pn tag/brass tag in fact provided a configuration/BOM for the trans.
« Last Edit: January 01, 2008, 02:06:08 PM by paceme » Logged

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JohnZ
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« Reply #18 on: January 02, 2008, 01:37:05 PM »

My original VIN-stamped M21, dated P9B17B, has the steel tag embossed 3946798, as shown in the A.I.M. in M20, Sheet A1 for use with M21 and Z28 or L-78.
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'69 Z/28
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NED
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« Reply #19 on: February 12, 2008, 10:24:00 PM »

Reguarding the 15 inch tire issue. I have a 67 Z with 4:56 and it does have the transmission speedometer adapter.
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Bill
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red67l78
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« Reply #20 on: November 29, 2010, 04:02:33 PM »

This is a old thread but i have a reduction with part number 6479236. Is this for camaro or for what?  Ratio is  1: .950
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Ed Bertrand
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« Reply #21 on: December 01, 2010, 12:27:25 AM »

Quote
This is a old thread but i have a reduction with part number 6479236. Is this for camaro or for what?  Ratio is  1: .950

Finally finished moving and was able to dig out my books. That P/N "appears" to be for a 1970's car, so it's not correct for a 1st gen Camaro. Most of the 67-69 Camaro adapters are 6476xxx numbers.

Ed
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Ed Bertrand
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JoeC
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« Reply #22 on: December 01, 2010, 09:37:07 PM »

there was also a straight one and an offset

the offset  is stamped 666F U1 and 1.2020 X
the straight is stamped 777  then under that is 5000

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