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Borg Warner...T-10 or M21?

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Old Apr 30, 2003 | 10:31 PM
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Default Borg Warner...T-10 or M21?

im confused...
my trany is plainly marked Borg Warner...
i have been told (on here) that it is a T-10...
all of the spec sheets i have seen for my cars available tranys say it came with an M-21...
what the heck is it???
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Old Apr 30, 2003 | 10:34 PM
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Default Re: Borg Warner...T-10 or M21? (SIGNGUY)

It's a Super T10.
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Old Apr 30, 2003 | 10:41 PM
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Default Re: Borg Warner...T-10 or M21? (SIGNGUY)

It is a Borg Warner T-10. Most people generally with use the M-20, M-21, M-22 to refer to Muncies trans even though GM use the M-21 RPO code to denote later Borg Warner T-10s.


[Modified by Pete79L82, 9:42 PM 4/30/2003]
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Old Apr 30, 2003 | 10:55 PM
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Default Re: Borg Warner...T-10 or M21? (Pete79L82)

thanx guys!
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Old Apr 30, 2003 | 11:15 PM
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Default Re: Borg Warner...T-10 or M21? (Pete79L82)

. . . GM use the M-21 RPO code to denote later Borg Warner T-10s.
. . . and M20 and M18. These codes refer to different gear ratio sets.
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Old May 1, 2003 | 10:43 AM
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Default Re: Borg Warner...T-10 or M21? (Pete79L82)

It is a Borg Warner T-10. Most people generally with use the M-20, M-21, M-22 to refer to Muncies trans even though GM use the M-21 RPO code to denote later Borg Warner T-10s.


[Modified by Pete79L82, 9:42 PM 4/30/2003]
:iagree:

Its both - Borg Warner desginates the transmission as the T-10 or Super T-10 however GM's rpo (regular production option) code is M21.

GM wouldnt refer to the transmission in the manufacturers code but apply their own rpo code...Note - the muncie codes were the same because they were a GM product - at least so Ive been told.
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Old May 1, 2003 | 02:52 PM
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Default Re: Borg Warner...T-10 or M21? (SIGNGUY)

Super T-10. Great transmission (much better than a Muncie or Saginaw, IMHO), and can take a bunch of abuse. Only transmission that's better is the Top-Loader Ford. Wish I had it in mine instead of the M20...

Hans
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