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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: Oct 2005 Posts: 408 Shop Shark | | Shop Shark Joined: Oct 2005 Posts: 408 | Where do the two center cross sills go on the frame of a 1951 1/2 ton | | | | | Joined: Nov 2005 Posts: 88 Member | | Member Joined: Nov 2005 Posts: 88 | One goes just before the frame kick up. It only bolts to the bed wood. It clears the frame by about a half inch and comes in contact with the frame only when a heavy load is put on it. Its location can usually be determined by locating a worn place on each frame rail just in front of the frame kick up, this is where the cross sill came in contact with the frame during a heavy load.
The other cross sill installs just behind the frame kick up using a 2 inch wooden block. Its mounting hole should be the first hole just behind the frame kick up.
hope this helps | | | | | Joined: Oct 2005 Posts: 408 Shop Shark | | Shop Shark Joined: Oct 2005 Posts: 408 | High school hauler Thanks for the info,That is just what I was looking for. | | | | | Joined: Jul 2005 Posts: 88 Member | | Member Joined: Jul 2005 Posts: 88 | Yeah, thanks! I'm just putting wood back in mine, but the mysterious 3rd support was never there to begin with. | | |
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