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Click on image for the lowdown. 
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| | | Forums66 Topics128,034 Posts1,055,533 Members48,425 | | 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: Dec 2010 Posts: 47 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2010 Posts: 47 | Need some help with where cross member rails should be. I have three rails. One clearly goes at the very front of the bed. I have two sets of holes near the rear, to the rear of the axle. They are only 4 inches apart. So there is no cross member for nearly 6 feet.
The dilemma is there are no original holes in the frame in the front half?
So does anyone have a picture or guidance on where the cross members should go?
Thanks Denis Used to drive Subs, prefer old rides
1952 chevy 3100, 5 window
| | | | | Joined: Oct 2006 Posts: 843 Shop Shark | | Shop Shark Joined: Oct 2006 Posts: 843 | What model truck are you refering to? | | | | | Joined: Dec 2010 Posts: 47 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2010 Posts: 47 | Sorry 52 chevy 3100. I did read in one thread that one of the cross memebrs floats and is not connected to frame. This makes some sense since there are no fram holes. Denis
Thanks Denis Used to drive Subs, prefer old rides
1952 chevy 3100, 5 window
| | | | | Joined: Oct 2006 Posts: 843 Shop Shark | | Shop Shark Joined: Oct 2006 Posts: 843 | the rear-most cross sill is part of the box it-self,and bolts into the sides,only rubber pads here.Moving forward,the next cross sill is just behind the rear wheels.It has wooden blocks under it.The next is just in front of the rear wheels.No blocks here. | | | | | Joined: Dec 2010 Posts: 47 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2010 Posts: 47 | Thanks the one forward of the wheels w/o blocks is it floating? I have no holes in the frame forward of the wheels. Thanks, Denis
Thanks Denis Used to drive Subs, prefer old rides
1952 chevy 3100, 5 window
| | | | | Joined: Jan 2010 Posts: 4,263 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 4,263 | | | | | | Joined: Dec 2010 Posts: 47 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2010 Posts: 47 |
Thanks Denis Used to drive Subs, prefer old rides
1952 chevy 3100, 5 window
| | | | | Joined: Aug 2008 Posts: 28 New Guy | | New Guy Joined: Aug 2008 Posts: 28 | Agreed - Best Pic's I have found for visual
Your not trying hard enough if you don�t screw up every once in a while.
52 1/2Ton 235 | | | | | Joined: May 2012 Posts: 37 Wrench Fetcher | | Wrench Fetcher Joined: May 2012 Posts: 37 | Me too. I received my '50 bed in a "disassembled" condition. I have been trying to figure out how the bed mounts, just by looking at the pieces. Great series of pictures.
Only questions I have are:
* Dimensions of wood blocks? * Where to acquire replacement rails (mine are pretty rusty)?
Thanks for any help
| | | | | Joined: Jan 2010 Posts: 4,263 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 4,263 | * Dimensions of wood blocks?
Thanks for any help The blocks for a 50 are 2 1/4 x 2 1/4 x 2 1/4 Someone else may be able to advise on where to purchase replacement rails. Good luck | | | | | Joined: Sep 2006 Posts: 3,596 'Bolter | | 'Bolter Joined: Sep 2006 Posts: 3,596 | The blocks are made of Alder at least the ones you get from the vendors. I am unsure if that was the original composition. The rails are available from many of the vendors. http://www.classicparts.com/Cross-Sills/products/817/ | | | | | Joined: May 2012 Posts: 37 Wrench Fetcher | | Wrench Fetcher Joined: May 2012 Posts: 37 | Thanks to Dads50 and Brad. I was just out in the garage wracking my brain (again) trying to figure it out. I hadn't realized that the rear most cross member was actually cantalivered over the rear of the frame rails. referring to the pics again, it all starts to make sense.
And Dad, now that I have the dimensions for the "wood" blocks, I can really get moving on that portion of the project. Special thanks!
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