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4 speed tail shaft numbers #2733597
01/16/20 01:02 PM
01/16/20 01:02 PM
Joined: Jan 2003
Posts: 3,680
South San Francisco, Ca
70sixpkrt Offline OP
master
70sixpkrt  Offline OP
master

Joined: Jan 2003
Posts: 3,680
South San Francisco, Ca
What do these numbers mean on a 18 spline tail shaft?

490B7FE8-67EB-4819-A55B-97E6D77BC2BE.jpeg

[img]http://www.imgur.com/hxlGUJt.gif[/img]
4-speed
3:54 Dana
13.01 @107.93 with street tires (not hooking up)
Re: 4 speed tail shaft numbers [Re: 70sixpkrt] #2733617
01/16/20 01:53 PM
01/16/20 01:53 PM
Joined: Jan 2003
Posts: 3,680
South San Francisco, Ca
70sixpkrt Offline OP
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70sixpkrt  Offline OP
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South San Francisco, Ca
And these bold numbers.

898834E9-3917-409E-B646-58A23A4C76DD.jpeg

[img]http://www.imgur.com/hxlGUJt.gif[/img]
4-speed
3:54 Dana
13.01 @107.93 with street tires (not hooking up)
Re: 4 speed tail shaft numbers [Re: 70sixpkrt] #2733626
01/16/20 02:15 PM
01/16/20 02:15 PM
Joined: Mar 2008
Posts: 766
Ohio
Dan Brewer Offline
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Dan Brewer  Offline
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Ohio
Not unique to an 18 spline. 70-Up B/E


A833 4-speeds, parts & services
http://www.brewersperformance.com/
Re: 4 speed tail shaft numbers [Re: Dan Brewer] #2733669
01/16/20 03:55 PM
01/16/20 03:55 PM
Joined: Jan 2003
Posts: 3,680
South San Francisco, Ca
70sixpkrt Offline OP
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70sixpkrt  Offline OP
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South San Francisco, Ca
What do they stand for?


[img]http://www.imgur.com/hxlGUJt.gif[/img]
4-speed
3:54 Dana
13.01 @107.93 with street tires (not hooking up)
Re: 4 speed tail shaft numbers [Re: 70sixpkrt] #2734241
01/18/20 04:16 PM
01/18/20 04:16 PM
Joined: Mar 2008
Posts: 766
Ohio
Dan Brewer Offline
super stock
Dan Brewer  Offline
super stock

Joined: Mar 2008
Posts: 766
Ohio
They just identify specific parts and distinguish revisions made through the years.

C99129 is a 69 and newer main case, could be machined for either 307 or 308 bearing.

C99539 is 70-up B/E or Truck/Van 308 bearing extension housing.


A833 4-speeds, parts & services
http://www.brewersperformance.com/
Re: 4 speed tail shaft numbers [Re: Dan Brewer] #2734315
01/18/20 09:07 PM
01/18/20 09:07 PM
Joined: Jan 2003
Posts: 3,680
South San Francisco, Ca
70sixpkrt Offline OP
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70sixpkrt  Offline OP
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Joined: Jan 2003
Posts: 3,680
South San Francisco, Ca
Thank you.


[img]http://www.imgur.com/hxlGUJt.gif[/img]
4-speed
3:54 Dana
13.01 @107.93 with street tires (not hooking up)






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