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| | | Forums66 Topics128,041 Posts1,055,483 Members48,424 | | 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: Feb 2016 Posts: 148 'Bolter | | 'Bolter Joined: Feb 2016 Posts: 148 | I recently purchased a three piece driveshaft that has 3" diameter tubing on the first two sections, and 3.5" diameter for the farthest rear section. The first two sections are fairly short, but the last and larger diameter section is twice as long. I'm guessing the larger diameter on the longer section makes it stiffer to help with whipping under higher rpms.
-David
1953 2-Ton GMC
I'm a machinist... because engineers need heroes too.
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