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Will it fit? need quick answer.
https://www.slantsix.org/forum/viewtopic.php?t=10456
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Author:  Slant6Rat [ Mon Sep 20, 2004 7:13 pm ]
Post subject:  Will it fit? need quick answer.

Will a 1987 v8 4 speed od trans/bellhousing fit behind my 72 slant 6 motor? Its not the top loader trans with the cast iron bellhousing.
My motor had an auto trans but I believe I can get a bushing for the crank hole. Any help is appreciated.

Author:  GTS225 [ Mon Sep 20, 2004 8:16 pm ]
Post subject: 

No......the bell housing bolt pattern for a V-8 is much different than the slant.

Roger

Author:  Slant6Rat [ Mon Sep 20, 2004 11:18 pm ]
Post subject: 

Thanks for the reply Roger. Now I'm wondering if I can use the 72 slant six bellhousihng with the od trans from the truck? Sorry, I should have asked earlier. :oops:

Author:  GTS225 [ Tue Sep 21, 2004 3:30 am ]
Post subject: 

AH-HA!! More detailed info! You might be able to use the slant bell. Somewhere in the early 70's, Mopar started putting a dual bolt pattern one there for two different transmissions. If yours has two patterns, you're good to go, if not, you might be S-O-L. There's also a different dimension for the center register hole, as, (I think), there's a difference in the front bearing retainer size between the old three speeds and the O/D four-gears.

I suggest you try bolting it together on the garage floor and take it from there.

Roger

Author:  DusterIdiot [ Tue Sep 21, 2004 6:43 am ]
Post subject:  1975....

The retainer and the hole changed in the 1975 year to 5.125" for the OD tranny. The pre-75's have a retainer and hole of 4.8"...you can see if your bell has the second set of holes for a 4 speed (if so you're in luck), then your next problem will be to locate a machine shop to turn down the retainer or enlarge the retainer hole in your bellhousing... It might just be cheaper to see if someone has the correct bellhousing from a 1975-1976 A-body, or 1976-1980 F-body for a couple bux...

-D.Idiot

Author:  Slant6Rat [ Tue Sep 21, 2004 8:19 pm ]
Post subject: 

Thanks all for the help. Parts are scarce where I am and the parts cars are all made of gold in Calif.!!

Author:  Doctor Dodge [ Wed Sep 22, 2004 8:02 am ]
Post subject: 

There is a good photo of the dual bolt pattern bellhousing in this article:
http://www.slantsix.org/articles/4-spee ... speed1.htm
DD

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