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Old 03-22-2010, 10:30 AM   #1
bobshotrodblazer
BigBlockBobby
 
Join Date: Mar 2004
Location: Lake Worth, Florida
Posts: 740
open to posi problem?

Removed a 67 open 373 rear chunk and swapped a 72 308 posi into it . Swapped the ring gear from the open to the posi unit . I put the whole thing together and it has alot of free play between the pinion and the ring gear.plus it whines. I reassembled it the same way it came apart. Is there a difference in the 67 and the 72 rears? I know the 72 axles are longer but stiill 30 spline .
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