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rear end for a roadrunner

Started by hard-charger, October 08, 2008, 01:22:08 AM

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hard-charger

October 08, 2008, 01:22:08 AM
hi all. i was wondering if anyone would know if a 1974 rear end 489. out of a roadrunner, would fit a 1968 roadrunner. id like to do this w/out any cunnting. just swap em.
thanks!!! :scratchchin:

Ghoste

#1
October 08, 2008, 03:46:14 AM
The differential unit will fit without any problems but if you are talking about swapping the entire rearend assembly, I believe the housings are different widths. (the 74 unit is wider)

kamkuda

#2
October 08, 2008, 01:55:25 PM
Quote from: Ghoste on October 08, 2008, 03:46:14 AM
The differential unit will fit without any problems but if you are talking about swapping the entire rearend assembly, I believe the housings are different widths. (the 74 unit is wider)

I agree
1971-'74= 63"
1968-'70= 60 1/8"

John_Kunkel

#3
October 08, 2008, 04:14:58 PM

Not only is the rear end wider but the spring perch centers are wider too.
Pardon me but my karma just ran over your dogma.
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