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Why would anyone sump their stock gas tank?


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Yeah, the welds are ugly. I had a couple spots where it was seeping, so I ground 'em down and re-welded, and some of them still seeped. So I just boogered it on there with some hot hot heat. I didn't want to cause any more leaks by making it pretty, so I left it and coated it with a rubberized underbody spray. It's about 45-50 degrees in the garage, I'd say and I didn't let the first coat dry completely before I sprayed the next coat. It's still tacky in some spots, but overall, it's going to be fine.

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No the baffles are good enough to keep the gas at the pickup even when the tank is really empty, plus the stock setup has the return in the little circle where the pickup is to help keep the pickup tube submersed.

 

I did it because I wanted a larger pick up tube and the new pump won't fit in the stock location. I suppose the stock fuel lines would be fine for as much as 600whp, but I will never know.

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My factory breather line to the charcoal canister is open with no check valves in it, so it shouldn't ever experience too much vacuum. Also with the tank being huge, I'd have to drive 300 miles for it to suck down enough fuel to make it have problems, I'd say.
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