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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: Nov 2016 Posts: 26 'Bolter | | 'Bolter Joined: Nov 2016 Posts: 26 | I reread the tire thread and didn't see my answer so I'm hoping someone can help me.
I've got the '35 1 1/2 ton that was my grandfathers. My uncle bought it from him in '64 and took the duals off, using it to feed cattle. When I got it from my late uncle he gave me the rear duals he had stashed away. I recently bought six new tires and am putting the duals back on. Yesterday I mounted one of the duals with the 650-20 tires on the truck. The tires are too close together. Was there a spacer? I checked the rims to make sure they didn't have different offsets and all of the rears are the same. When I got the truck and it had the rear singles on it there was (what looked like) a homemade "spacer" under the flange that goes on the outside next of the nuts. I assumed it was something that my uncle made for some reason when he went to singles. It would be like him to make a filler plate to take up thread space instead of changing something. I put the duals on normal and they were a half inch to three quarters of an inch apart. I put that "homemade" spacer between them and it bumped them out another half inch. Both rims are running on the hub not the studs, but that still can't be right. Duals should be sucked in tight so they don't loosen.
Was there a spacer between the duals originally? How far apart where the duals back then? Are there any pictures out there I haven't found? | | | | | Joined: Feb 2004 Posts: 29,756 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,756 | If the tire sidewalls aren't actually touching each other, you're good to go, even if they're running pretty close together. Keep the tires aired up to the reccomended pressure molded into the sidewalls so they don't bulge and contact each other with the truck loaded.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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| | | | | Joined: Apr 2017 Posts: 16 'Bolter | | 'Bolter Joined: Apr 2017 Posts: 16 | Check out the Tech Tips on Wheels and Tires at Wheels and Tires - Tech Tips scroll down to the discussion under 1.5 & 2-tons to: ( Note on the 10-lug wheels with 7.25” bolt circle) where it Grigg talks about clamp plates. There are links to pictures as well. May not solve your spacing issue but may solve the "Where did these come from?" questions. Roger
Roger Burgoyne Member # 42,919
1948 Chevrolet 1-1/2 Ton Loadmaster w/Dump
Terre de Bourgogne Llama Ranch, Arizona | | | | | Joined: Nov 2011 Posts: 1,611 'Bolter | | 'Bolter Joined: Nov 2011 Posts: 1,611 | Hey new guy,
First off, I am no expert on your older model. I have never heard of a spacer between rims. The tires should be far enough apart so that they don't touch creating friction and heat. I think your distance apart will be okay for a retired occasional use truck that doesn't get overloaded and run hard.
We would love to see some pictures. Pre WW2 trucks are so nice looking.
Paul | | |
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