All morning, for hours, I did lay-out. Suspension pieces, rear x-member layout, and then, thought I’d start the planning stage for the gas tank. Got a bunch of measurements off the old tank and started comparing them to what’s possible in the space without having to notch crossmembers and all that. I don’t really want a huge 50 -60 gallon tank, but would like something that comes down close to flush with the bottom of the frame. Also want the new in-tank fuel pump accessible through the original sending unit access door in the rear cargo area.
The original tank is a total of 6” deep, with 2-1/2” of those inches above the seam/mount. From the top of the rear pedestal to the bottom of the frame measures 8”, which means the tank COULD be 10-1/2” deep total to be flush with the bottom of the frame..... except towards the front where the frame ascends upwards in its archway over the rear axle. This would leave a portion of the tank exposed or possibly in conflict with the upward travel of the rear pumpkin.
So, question to those with oversized tanks - what kind of clearance do you have at the most forward point of the tank and the rear axle? Coincidentally, this would be the area where the pump would sit.
Also, would a 10-1/2” depth be plenty enough for the in-tank fuel pump?
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