Thanks for all the info, guys.
I just snagged a '65 B body 8.75, so it looks like that's what I'll be adapting
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| spring perch and track width: A-body vs. F/j/m body? https://slantsix.org/forum/viewtopic.php?t=37063 |
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| Author: | Valianator [ Fri Sep 11, 2009 10:24 am ] |
| Post subject: | spring perch and track width: A-body vs. F/j/m body? |
Anybody know how close the spring perches are on an F/J/M body rear to an A-body? Will it bolt in? I think the track is close to a '66-'70 B-body, which fits right into my plan. I'm gonna use a '73-up disc set up on a '68 Dart, then use a wider rear end to make the track nearly the same in the rear. Then I can run 4 of the same wheel with a fairly high offset. Thanks. |
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| Author: | Krooser [ Fri Sep 18, 2009 8:42 am ] |
| Post subject: | |
here's your axle width info... http://www.carnut.com/specs/rear.html |
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| Author: | 65 dartman [ Fri Sep 18, 2009 10:09 am ] |
| Post subject: | Re: spring perch and track width: A-body vs. F/j/m body? |
Quote: Anybody know how close the spring perches are on an F/J/M body rear to an A-body? Will it bolt in? I think the track is close to a '66-'70 B-body, which fits right into my plan.
I recently parted out an 80 Cordoba that had a 70 B Body 8.75 installed. I didn't see any issues when I removed the rear end. It's available with or w/o gears (2.94 peg leg).
I'm gonna use a '73-up disc set up on a '68 Dart, then use a wider rear end to make the track nearly the same in the rear. Then I can run 4 of the same wheel with a fairly high offset. Thanks. |
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| Author: | 2 Darts [ Fri Sep 18, 2009 11:29 pm ] |
| Post subject: | |
The F/M/J spring perches are 1 inch farther apart than the A-body. Mopar Muscle did an article where they put an M-body rear in an A-bomb. If the new axle has a different diameter ring gear than the one you're pulling out, you'll need to change the driveshaft. Typically, this means to shorten it, but not always. The 64-66 Mustang, 75-80 Ford Grenada/Mercury Monarch have the same spring perch spacing as the A-body. The 8 inch is okay, the 9 inch is better. Avoid the 8.8 inch. The holy grail of this source is a complete Lincoln Versailles assembly. It is a 9 inch rear with disk brakes. The Versailles was made from 77-80 in very small numbers. Good luck finding one in a salvage yard cause the Ford guys are after them, too. |
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| Author: | Valianator [ Tue Sep 22, 2009 7:20 pm ] |
| Post subject: | Thanks for the info. |
Thanks for all the info, guys. I just snagged a '65 B body 8.75, so it looks like that's what I'll be adapting
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