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Old 05-05-2019, 03:25 PM   #8
Montana Man
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Join Date: Jun 2018
Location: Carson City
Posts: 2,017
M.O.C. #21963
A vacuum formed tank is a two piece tank. The top is flat and glued/welded to the bottom vacuum formed bottom. Keystone is not mounting these according to the instructions, and the "engineer" I spoke with at Ameri Kart. The instructions you are seeing online speak to several ways to mount the tanks. The chassis mounting method is not being used. Keystone is hanging the vacuum molded tanks on rails with no straps.

The rotational formed tanks are designed to be hung on rails as the tanks have a flange an inch or two wide which is suitable, not needing straps or other support from below. (Although extra support is good)

It is odd that their instructions say: To test tank,fill with plain water and check visually. Do not use liquid soap or DETERGENT SOLUTION as the solution will cause stress cracking in the plastic.
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