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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: Dec 2006 Posts: 25 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2006 Posts: 25 | Guys, I'm a 20 yr veteran of a fully restored 1/2 ton AD truck, and know where all the parts can be found. I'm thrilled to say I'm starting a restoration on a 1 ton GMC, and have at least one question...
I know the brake cylinders for a 1/2 ton are readily availavble (NAPA, ETC). Will I have the same luck with brake cylinders for my one ton? Are they the same, or are the 1 ton's beefed up?
Thanks!
Dennis
| | | | | Joined: Aug 2005 Posts: 1,186 Shop Shark | | Shop Shark Joined: Aug 2005 Posts: 1,186 | Hey Dennis,
I'm assuming you have a AD truck? If so I bought all new cylinders from here . I purchased all four wheel cylinders and a master cylinder.
Bruce | | | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | The 1-ton stuff will be different.
I'd start with your favorite supplier and then extend your search until you've found everything.
I've seen 1-ton brake parts listed various places, but have yet to buy any myself. That comes of being a hot-rodder and always deciding to modify instead of restore...
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | | | | Joined: Nov 2004 Posts: 2,402 Former Workshop Owner | | Former Workshop Owner Joined: Nov 2004 Posts: 2,402 | I just went through this with my '59 Viking 40 (1 1/2 ton). I wanted just the wheel cylinder kits, and bought two sets that wouldn't work. The first set came from a well known antique parts supplier, and the other set came from NAPA. It turned out that, both sets were for the original wheel cylinders that came with the truck from the factory. The problem is that the originals had long ago been replaced with after market ones. Although they (the after market cylinders) might work the same, the inside parts were vastly different.
I finally found the parts I needed by calling a shop that specializes in relining shoes, and clutch discs. This guy new exactly what I needed, and had the right parts for me the next day. He was even less expensive than the other suppliers.
The worse part, is I wasted several nice weather weekends with the wrong parts.
You will probably want to look for someone in your area, but I found the correct parts at "Auto Brake & Clutch" in Omaha, NE.
Good Luck
John
~ J Lucas 2006 GMC Envoy 4.2 I6 2023 Ram 2500/Cumins 6.7 I6 2010 Jeep Grand Cherokee (Wife’s) 2002 Silverado 2500 Gas 6.0 1941 Chevy 1/2-Ton 1942 Chevy 1.5-Ton SWBIn the Gallery My Flicker Photos! | | |
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