6T4LaneSportCoupe
Junior Member
Joined: 27 Jun 2010
Posts: 42
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Dave,
I am going to do a 8 to 9" swap in my 64. What are the dimensions of the rear in the Fairlane. I am looking to put a 9" out of a 74 Bronco under my 64. What are the distances between the spring perches on the 67? Is it the same rear as a 64? As far as the 9" you picked up, there is no way to tell what is wrong without tearing it down. Easiest could be a bolt backed out. (Not a common problem if it has never been apart since the factory) Worst could be broken teeth with chunks floating in the oil or a broken tooth jamming up the works. 3.5 turns sounds about right for something stuck on the ring gear. Either way, even if it starts to turn freely on its own I would not trust it to drive down the road until you take a look. Good luck!
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