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Old 12-09-2023, 06:24 PM   #1
chopperloco
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Default Looking for info on this trans. Dynamic

Seems to be a Mopar trans to Chevrolet bell housing
Has not been used
Want to list it for sale once i have more info on it




Thanks
Dom
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Old 12-10-2023, 10:24 AM   #2
Steve Grady
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Default Re: Looking for info on this trans. Dynamic

Is the bellhousing a cast part of the case, or does it bolt on? Hard to tell from your pictures.
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Old 12-10-2023, 10:44 AM   #3
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Default Re: Looking for info on this trans. Dynamic

That is a 904 Chrysler built for AMC . It was used in AMC cars in early 80's in Sprite and others with the GMC 4 cyl Iron Duke motors . They had a lower first and second gearset - 2.72 and 1.54 instead of the 2.45 1.45 standard gears. As far as I know, everything is standard 904 internals. AMC also used the 904 with AMC bolt pattern behind the 6 cyl 258 motor. That's what I use behind the 4.0 in my Comanche. That trans will probably need the MOPAR converter.
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Old 12-11-2023, 03:26 PM   #4
Mark Yacavone
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Default Re: Looking for info on this trans. Dynamic

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Originally Posted by rsalemi View Post
That is a 904 Chrysler built for AMC . It was used in AMC cars in early 80's in Sprite and others with the GMC 4 cyl Iron Duke motors . They had a lower first and second gearset - 2.72 and 1.54 instead of the 2.45 1.45 standard gears. As far as I know, everything is standard 904 internals. AMC also used the 904 with AMC bolt pattern behind the 6 cyl 258 motor. That's what I use behind the 4.0 in my Comanche. That trans will probably need the MOPAR converter.
Don't know about this one either..
In 1980, the Iron Duke was redesigned with the new GM FWD bell pattern.
The one pictured is a std Chevy RWD pattern.
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Old 12-11-2023, 09:04 AM   #5
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Default Re: Looking for info on this trans. Dynamic

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Originally Posted by Steve Grady View Post
Is the bellhousing a cast part of the case, or does it bolt on? Hard to tell from your pictures.
Bolted
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Old 12-16-2023, 06:43 PM   #6
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Default Re: Looking for info on this trans. Dynamic

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Originally Posted by chopperloco View Post
Bolted
Now THAT would be great to bolt a big block mopar bell (ultra bell) on the little 904 trans, no more high dollar 904 guts in the 727 case. Hemi guys will love this.
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Old 01-03-2024, 07:09 PM   #7
Coleydog
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Default Re: Looking for info on this trans. Dynamic

Where can I get one of these?
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Old 01-06-2024, 09:38 AM   #8
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Default Re: Looking for info on this trans. Dynamic

its available...
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Old 01-16-2024, 02:21 PM   #9
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Default Re: Looking for info on this trans. Dynamic

Quote:
Originally Posted by Steve Grady View Post
Is the bellhousing a cast part of the case, or does it bolt on? Hard to tell from your pictures.
My mistake,not bolted -all one piece
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Old 12-28-2024, 01:23 AM   #10
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Default Re: Looking for info on this trans. Dynamic

"Now THAT would be great to bolt a big block mopar bell (ultra bell) on the little 904 trans, no more high dollar 904 guts in the 727 case. Hemi guys will love this".
12-13-2023 12:43 PM
Coleydog
I wonder if you have ever seen the 904 planataries Dave Smith produces? Nothing like the stock 904 or 727. Ultra small and lite weight.
Stock parts do not even come close..
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