9 inch swap
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Senior User
Joined: Jan 2005
Posts: 124
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9 inch swap
Hi. Im planning on swapping out the 8.8 and putting in a 9 inch from a 78, 79 f150 or Bronco just wondering how bad it could be. I am going to put in 4.56 gears to match the front and a spool. I dont think it could be hard the only things im worried about is the speed cable that goes to the 8.8 and how the driveshaft bolts to the plate on the 8.8. And i was wondering do the brakes and stuff like that swap over to the 9 inch from the 8.8.
Post Fiend
Joined: Jan 2004
Posts: 5,377
Likes: 2
From: Elkhart IN
its all the same. brakes will be the same, driveshaft should be the same, same spring pad width. what year is your truck? it will bolt right up unless you have a vehicle speed sensor on your rear diff, then it gets hairy.
Post Fiend
Joined: Nov 2001
Posts: 14,947
Likes: 6
From: Topsfield, MA
