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'69 vs '72 auto 904 trans? #620739
02/22/10 10:34 AM
02/22/10 10:34 AM
Joined: Mar 2005
Posts: 1,630
North Central Florida
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eightlitermopar Offline OP
top fuel
eightlitermopar  Offline OP
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Joined: Mar 2005
Posts: 1,630
North Central Florida
I have two perfectly good 904 trannies

1969 Vs 1972, both out of a B body.

While having the motor out, is there an advantage/disadvantage for putting one tranny in my daily driver vs the other?

The car is a 69 coronet with stock 318 four barrel.

thanks!

eight


Mopar or no car
Re: '69 vs '72 auto 904 trans? [Re: eightlitermopar] #620740
02/22/10 10:37 AM
02/22/10 10:37 AM
Joined: Nov 2007
Posts: 5,337
the house on the left.
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cogen80 Offline
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cogen80  Offline
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the house on the left.
wasn't the converter spline count changed somewhere along the line there?

Re: '69 vs '72 auto 904 trans? [Re: eightlitermopar] #620741
02/22/10 06:08 PM
02/22/10 06:08 PM
Joined: Jan 2003
Posts: 25,994
Rio Linda, CA
John_Kunkel Offline
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John_Kunkel  Offline
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Joined: Jan 2003
Posts: 25,994
Rio Linda, CA

I would go with the '72, there were a few changes that make the '72 more desireable than the '69.

The input shaft spline change was in '68.


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Re: '69 vs '72 auto 904 trans? [Re: John_Kunkel] #620742
02/22/10 11:08 PM
02/22/10 11:08 PM
Joined: Mar 2005
Posts: 1,630
North Central Florida
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eightlitermopar Offline OP
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eightlitermopar  Offline OP
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Joined: Mar 2005
Posts: 1,630
North Central Florida
Quote:


I would go with the '72, there were a few changes that make the '72 more desireable than the '69.

The input shaft spline change was in '68.




what kind of changes were made? More beefy internals or something?


Mopar or no car
Re: '69 vs '72 auto 904 trans? [Re: eightlitermopar] #620743
02/23/10 05:00 PM
02/23/10 05:00 PM
Joined: Jan 2003
Posts: 25,994
Rio Linda, CA
John_Kunkel Offline
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John_Kunkel  Offline
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Joined: Jan 2003
Posts: 25,994
Rio Linda, CA

The '71 and later V8 904's have a larger kickdown servo and PTK became available on the V8 in '71.


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