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The Tank

I made a place for the gas tank to sit. In the interest of continuing to push weight toward the middle of the car–this is as close as English majors get to engineering-speak–I put the tank between the wheels. It’s sitting mostly behind the pumpkin, but the front few (six?) inches of the tank are right over the differential and the axles (with u-joints).

I have no intention of putting a fuel cell in this car–there is no point, as they are too temporary for my needs (whatever the heck those are–mainly psychosis). The tank is a simple Tanks Inc. (they really need to learn to use the apostrophe correctly) universal pick-up truck unit called the UTN2T (16 gallons, I think). This is the same tank I used in my summer Ranchero time-wasting experience, and I liked it for a couple of reasons. The first is that it has an EFI pump tray in the bottom–it’s like a dog bowl for the pump pickup; the second is that it also has a baffle/wall near the middle of the tank, which is the method fuel tanker trailers use to cut down on fluid surge when they try to stop or go. I ran the Ranchero literally bone-dry driving enthusiastically on my twisty road without a trace of unsipped fuel.

In the tank will go the basic Tanks Inc. goods (pick up and sender, with their screw-top filler neck, to be filled by opening the trunk) and a Walbro 255. On the gaskets will go the Permatex Aircraft sealant gunk.

Most of the 1×1 square tubing you’ll see is .065, but I’ve used .120-wall at key points, including the crossbar (and junctions) at the front of the frame–this ties into the roll bar down tubes and the structure for the rear firewall. Above the axles’ inner u-joints, I welded in a rectangle of 16-gauge sheet I had sitting around, just in case. Thicker stuff, while I have it, seemed like overkill. On top of the tank, for the final securing of the thing, I’ll use basic removable (C4 Corvette) tank straps.

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