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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: May 2015 Posts: 11,163 Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums | | Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums Joined: May 2015 Posts: 11,163 | Overload springs are probably available that don't engage until the springs compress somewhat. I have overloads on my F250 that work that way. So they don't affect the ride until the suspension compresses enough so the ends of the overloads hit the brackets attached to the frame, totally separate from the main springs. The same type were standard equipment on some AD series big bolt trucks
They would be quite a bit more difficult to install than air bags. If you're looking for simple install, air bags would be your best choice IMO. The pressure can be adjusted for the load, so if you're unloaded with them aired up to minimum pressure, they wouldn't affect the ride significantly. But like you say, a specific air bag kit for an old truck would be hard to find, and would have to be adapted.
Kevin 1951 Chevy 3100 work truckFollow this saga in Project JournalPhotos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together. | | |
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