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Joined: Aug 2012
Posts: 131
1
'Bolter
'Bolter
1 Offline
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
5
Renaissance Man
Renaissance Man
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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
1
'Bolter
'Bolter
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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
F
'Bolter
'Bolter
F Offline
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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