...to drain the tank from the bottom? maybe i should drill a drain hole?
The Coasties specifically forbid openings, ports or fittings on permanently installed gasoline tanks anywhere but on the top of the tank.
The Coast Guard allows threaded cleanout holes on the top of the tank. If this sounds attractive to you there are a couple of cautions to consider:
- The tank must be fully drained of gasoline and filled with an inert material to displace all residual fumes and air (oxygen) before cutting. My opinion is this is best left to pro's. Blowing yourself to smithereens doesn't solve the tank crud problem.
- Once cleaned and the new threaded closure plug is in place the tank must be pressure tested to 5 PSI. Permanent deformation is not cause for test failure as long as leaks don't develop.
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