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| | | Forums66 Topics128,108 Posts1,056,231 Members48,436 | | Most Online14,466
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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Nov 2006 Posts: 84 'Bolter | | 'Bolter Joined: Nov 2006 Posts: 84 | I am getting an odd intermittent vibration in my 1948 GMC 3/4 ton. It has the SM 420 trans. There is a straight shaft that is hooked up to the trans then that is connected to the driveshaft. Is there a bearing somewhere in there that could be going bad? Any help/advice would be appreciated.
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