8.8 - 9" swap
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Senior User
Joined: Jul 2002
Posts: 203
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From: Marysville
8.8 - 9" swap
Does anyone have any input to swap an 8.8 rear for a 9"?
I plan to rebuild the 3rd member with 4:56 gears and a detroit locker but I mostly need info for swaping in the complete assy. The 9" came out of a 79 van. I have a 6" lift on my 84. I am not sure if I need to move the perches yet. Any info would help alot.
I plan to rebuild the 3rd member with 4:56 gears and a detroit locker but I mostly need info for swaping in the complete assy. The 9" came out of a 79 van. I have a 6" lift on my 84. I am not sure if I need to move the perches yet. Any info would help alot.
Elder User
Joined: Dec 2000
Posts: 714
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From: Georgia
8.8 - 9" swap
Like Honney said, the diff might be offset. If the 9" were coming from a truck, it should bolt right up to the existing perches. However, some vans came with wider axles than the trucks had. For example, a '78 ford pannel van had a 9" that was 2" wider than the standard 9 inch rearend.
Also, a stock 9" is not that much better than a stock 8.8. Honestly, I would not think that the benefits would be worth the expense and trouble of the swap...
Jon
1989 F-150 XL- 4x4, 302, M50D
1995 Bronco Eddie Bauer- 351W, E40D
Finally got around to creating a gallery...check it out
Also, a stock 9" is not that much better than a stock 8.8. Honestly, I would not think that the benefits would be worth the expense and trouble of the swap...
Jon
1989 F-150 XL- 4x4, 302, M50D
1995 Bronco Eddie Bauer- 351W, E40D
Finally got around to creating a gallery...check it out
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