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| | | Forums66 Topics128,075 Posts1,055,918 Members48,429 | | 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!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Aug 2012 Posts: 131 'Bolter | | 'Bolter Joined: Aug 2012 Posts: 131 | Does anyone know approximately how big of a gap there should be between the bottom of the bed wood and the top of the frame rail at the area where the frame humps up over the rear axle?
The truck in question is a 1949 3100.
I have a 3/8 inch gap at the rear most mounting points (even after adding the rubber mounting pad and I cannot figure out where this error is coming from. I have about a 1/4" gap between the bottom of the bed and the top frame rail where it humps over the rear axle. I am trying to figure out if this is normal or if it should be closer. When I tore mine down all of the bed wood and mounting blocks were rotted away and it was sitting on the frame.
I will probably end up just making a 3/8" spacer for the rear most mounting point.
Last edited by 1866yellowboy; 03/13/2016 11:45 PM.
| | | | | Joined: Mar 2010 Posts: 10,275 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,275 | What are the dimensions of your wood blocks at the front crossmember and next to last crossmember?
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Aug 2012 Posts: 131 'Bolter | | 'Bolter Joined: Aug 2012 Posts: 131 | The blocks are between 2 1/8" and 2 1/4" tall and the rubber pad under them is 1/4" tall. This corresponds to most of the other block measurements I have seen here on the forum. | | | | | Joined: Mar 2004 Posts: 256 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 256 | Yellowboy: You may have already taken this into consideration, but, have you taken into account the relationship of your bed and rear fenders and their alignment to the trailing edge of the running boards? You might want to consider getting the running boards and rear fenders on the right plane before you go too far with shimming those spacer blocks. Just a thought.... | | |
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