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Click on image for the lowdown. 
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Global Mod,
Mod | | | Forums66 Topics128,088 Posts1,056,114 Members48,434 | | 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!
| | THANKS!
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: Jul 2006 Posts: 1 Junior Member | | Junior Member Joined: Jul 2006 Posts: 1 | What major differences are there between the 3/4 ton and 1 ton pickups, other than the 9ft bed and possible wheel size ? Thanks ahead of time | | | | | Joined: May 2005 Posts: 8,878 . | | . Joined: May 2005 Posts: 8,878 | Wheel base.
springs.
Frame.
Brakes.
Running boards.
Wheels on 1 ton will be 17 or 18".
All front sheetmetal and cab are the same.
What do you want to know more about?
All this can be figured out by reading the shop manual.
I am talking about AD trucks. | | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | The differential ratio will be different also-3/4 ton has 4.56, 1 ton is 5.13. The 1 tons alsp used a different spring shackle on the rear. The rear brakes will be larger as well.
Bill Burmeister
| | | | | Joined: Sep 2004 Posts: 46 Member | | Member Joined: Sep 2004 Posts: 46 | The frame goes straight over the rear axle on a one ton, on the three quarter & half ton it bumps up. Front bumper is heavier & attached differintly. | | |
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