8-3/4 into F body?
#3141895
05/02/23 01:02 AM
05/02/23 01:02 AM
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Joined: Jan 2003
Posts: 20,184 Park Forest, IL
slantzilla
OP
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OP
Too Many Posts
Joined: Jan 2003
Posts: 20,184
Park Forest, IL
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Which one would be the proper width, 70 B body? Thanks!
"Everybody funny, now you funny too."
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Re: 8-3/4 into F body?
[Re: slantzilla]
#3141902
05/02/23 02:55 AM
05/02/23 02:55 AM
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Joined: Aug 2003
Posts: 43,223 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,223
Bend,OR USA
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Last edited by Cab_Burge; 05/02/23 02:56 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: 8-3/4 into F body?
[Re: slantzilla]
#3142268
05/03/23 12:42 PM
05/03/23 12:42 PM
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Joined: Jan 2003
Posts: 25,858 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,858
Rio Linda, CA
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Here's info somebody posted before:
Factory axle dimensions (7.25" and 8.25") for all F/J/M cars:
•Housing flange to flange: 54.34"
•Perch center to perch center: 44.46"
Here's the '65-'67 B-body specs:
-Housing flange to flange: 54 1/4"
-Perch centers: 44"
The INTERNET, the MISinformation superhighway
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Re: 8-3/4 into F body?
[Re: modelmakerinc]
#3142289
05/03/23 02:29 PM
05/03/23 02:29 PM
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Joined: Jan 2005
Posts: 4,432 Michigan
MarkZ
Worthy
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Worthy
Joined: Jan 2005
Posts: 4,432
Michigan
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If you still run the ISO setup then you can use a 1 9/16" hole saw to open the spring perch to accept the locating pin and rubber isolator combination. Just bolt a plate to the underside of the spring perch so the arbor has something to bite into.
1987 Fifth Avenue - 512/518/D60
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Re: 8-3/4 into F body?
[Re: MarkZ]
#3142611
05/04/23 10:55 PM
05/04/23 10:55 PM
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Joined: Mar 2006
Posts: 9,848 MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,848
MI, usa
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You can move the springs far enough a 66-70 B body bolts right in. If you are worried about the slight perch difference? Move the rear shackle hangers. Pull the bumper with its supports. You can drill new holes in the frame rail and mount the shackle inward and forward if you like. Each drum will be 5/16" further toward the outside. Using a 727? A 727 driveshaft from a Duster fits perfect. Doug
Last edited by dvw; 05/04/23 10:59 PM.
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