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Old 03-28-2018, 09:47 PM   #39
Aberdare
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Join Date: Oct 2017
Location: Manitoba, Canada
Posts: 141
Re: 1963 GMC Step-Van 7

After bolting down the cargo bed, I got busy on the forward floor section sub-frame. I started with 2 x 2 x 0.125 HSS and made the frame risers which will support the forward floor section. In much the same manner as the rear cargo floor, I removed the original mounts with a cutting torch then drilled out the other pair of rivets. I mounted the floor risers using 7/16 x 1 1/4 bolts, washers, nuts and lock washers. I tack welded on a piece of 3 x 1 x 0.125 HSS to the risers, to set the floor height.

Next up, I prepped a 2 x 2 x 0.125 piece of HSS for the forward floor support, which the seat will be mounted to later, and also support the forward section of the floor. For the next step, I measured out the inboard side rail supports for the steps and fitted them to the front and rear floor supports. I had to notch out the inboard side rails so that the steps will line up properly with the floor when it is installed. I plan on using 3/16 plate steel for the forward floor section.
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**RED SEAL CERTIFIED JOURNEYMAN SINCE 1993**
My 1966 GMC Value Van Project
1951 GMC 9430 1-Ton
I'm just going to put an OUT-OF-ORDER sign on my forehead... and call it a day.
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