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| | | Forums66 Topics128,074 Posts1,055,911 Members48,429 | | 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: Mar 2019 Posts: 119 'Bolter | | 'Bolter Joined: Mar 2019 Posts: 119 | I agree that in your situation the difference between 3.55 and 3.42 is minimal. That is less that 4% difference in driveshaft speed at any road speed. You can get that much difference just due to the different diameters of the various brands for tires in the same nominal size. I doubt if anyone driving a vehicle could tell the difference.
So take the easier/lower cost/less risk route!
Rusty
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