GB49 Classic Fuel Tank Replacement

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GB49 Classic Fuel Tank Replacement

Postby lpthompson14 » Tue Mar 20, 2018 3:09 pm

After reading other posts I have replaced my leaking stb fuel tank & will replace my port tank this fall.

You may view pictures of the process by copying & opening this link:

I highly recommend spending the time to prepare & protect your engine room & getting the best saws & blades as well as protective equipment. We used a very good Makita ( JR3070CT/Z ) anti vibration reciprocating saw & a Metal Devil circular saw:, this saw ripped thru the steel easily where it physically fit.

I built a false deck across the stringers between the engines with 2x6 boards & framed a box around the top, inboard & aft end of the stb engine. We then tented the entire stb side of the engine room in heavy plastic as well as 2 layers over the stb engine as well. It looked like an operating room but it made clean up much easier.

I ordered 2 smaller aluminum tanks (@ 180 gal each) to replace the original steel 500 gal tank. Florida Marine Tanks built both & they made the bottom tank with heavier walls to support the upper tank sitting on it.

Actual cutting time was @ 15 hours to cut into manageable pieces & about the same to install new tanks & plumb them.

Please feel free to contact me if you have any questions.

Lloyd Thompson
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