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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Aug 2007 Posts: 37 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2007 Posts: 37 | You need either a spacer or to shorten the input shaft, not both. My understanding if you shorten the shaft you will also need to lengthen the splines on the shaft. I haven't done this install, but reading up on it as an option for my 55 I think I would go with the spacer so if the tranny goes out on you you can get it replaced on the road without paying for the machine work. | | |
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