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Old 01-17-2018, 05:06 AM   #174
Super_Dave
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Join Date: Jul 2014
Location: Sherwood, Oregon
Posts: 974
Re: 1974 C20 Soon to become a project...

The gas tank is still somewhat undecided.

We were initially dropping down through the bed rail, then come under the bed and over the frame rail (as seen with the 2x4). This approach, which is doable, will require cutting the filler neck on the tank and rotating it 90° to point it toward the back. This will require one or two 90° elbows to go from the neck to the fill tube in the bed side. It's a lot more work, but in the end, it may be our only choice.

However, since the tank is square, we are looking at rotating the tank 90° and coming out through the rear frame cross rail and behind the license plate. It will require a small notch in the cross rail. This choice will be a direct, straight line fill tube to the neck. . . maybe. The tank flanges will require running the tank straps side to side and connect them to the lower part of the frame rails. This is perfect, as it won't require making any additional cross members for the tank. The part of the tank below the neck, fits nice and snug below the lip of the rear cross rail.

Again, it depends on the location of the bumper and flip-down license plate holder in relation to the neck. Once the new rear bumper arrives, we will double and triple check the tank neck location to see if we still get the downward angle we need and still keep the gas tank neck away from the bed floor.

We can go lower with the tank if needed, but there is a point of no return, where the tank is too low and will not only show too much, but risk being damaged. If that's the case, it's back to plan A.

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Last edited by Super_Dave; 01-17-2018 at 05:13 AM.
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