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720: Do you mean out the top of the neck? Lots of them leak where the neck is soldered to the tank, too. Quite a few seem to slop out the top of the tank neck. We had an "A" with the old "Use Clean Fuel - Keep it Clean" gas cap and it wouldn't loose a drop. Our 70 Diesel always seemed to slop it out. I thought it was just a bad cap gasket, but I guess not. When I took the tank off during the restoration, there was a sheet of metal in the tank that was rattling. Turns out there is a vertical baffle in the front of the tank, just behind the fill area, and it was broken loose. I have a feeling that many baffles are resting in the bottom of tanks, and that lets the fuel get to rocking and sloshing. I found another tank in good shape with an intact baffle, so we'll see. I think the other fix for that would be to solder or otherwise afix a 10-12" piece of muffler tube down into the tank through the filler neck. I think then the fuel could not slosh out. If you find a fix, please let all of us diesel owners know ! Frank-in-San Francisco (just till Saturday) 70D // 855
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