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Old 02-18-2013, 08:28 PM
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New fuel cell under the bed of a 40' Chevy PU

Building a frame to mount aTCI aluminum fuel cell underneath the bed of my 40' chevy P/U. I was planning on using alumnium angle to build a tray to set the fuel cell into and bolt it to the crossmember. Any concerns or potential problems with aluminum on aluminum, maybe that's a stupid question but I thought I'd better check before I fab it up. Will the aluminum corrode?

Matt

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Old 02-18-2013, 09:19 PM
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Put some sort of rubber strips between the tank and the supports to prevent vibration from rubbing a hole in the tank. If you have direct metal to metal contact the vibration of normal driving can cause a hole to be made in the tank causing a leak.

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Old 02-19-2013, 07:27 PM
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You don't need a tray,, you can make two strap's, Put some rubber,,Here's one I did with strap's..I just made two strap's just like the top ones,, Welded to the framing under neat... Top ones was bolted in..Sorry I was wrong,, Top are welded in ,bottom ones was bolted..

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Old 02-20-2013, 05:52 AM
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under bed fuel cell mounting

Thanksfor the info....and pictures. They help a lot.
I was thinking about the tray idea because I felt it would protect the underside of the tank from rocks or debris coming off the road. If you think the tank is plenty strong "as-is" then maybe that's a wasted effort.

I don't have any experience with these aluminum tanks so i'm not quite sure what they can handle.
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Old 02-20-2013, 08:22 AM
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Thanksfor the info....and pictures. They help a lot.
I was thinking about the tray idea because I felt it would protect the underside of the tank from rocks or debris coming off the road. If you think the tank is plenty strong "as-is" then maybe that's a wasted effort.

I don't have any experience with these aluminum tanks so i'm not quite sure what they can handle.
Use rubber between straps and tank, you MUST run a ground strap from tank to frame or static electricaty can cause an EXPLOSION when fuel nossle touches tank when filling.:I have aluminum feel cells on track car also on tractor and trailor 160 gal diesel each side no problems they are plenty strong.
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Old 02-20-2013, 08:29 AM
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The tank has to be grounded for the gauge to work..
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Old 02-20-2013, 09:05 AM
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Not nessaraly my boat has plastic tanks with fuel guage ,only the guage has to ge grounded to work.tank only needs a static ground.
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Old 02-20-2013, 09:20 AM
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Not nessaraly my boat has plastic tanks with fuel guage ,only the guage has to ge grounded to work.tank only needs a static ground.
I have seen way to many times where people come to me saying their fuel gauge isn't working,, I tell them to make sure they have a ground to the TANK.. Fixed the problem everytime..

Buy a dakota digital gauge set and read the book they send with it... Tank needs to be grounded to work right,, Just installed one two days ago in a friends 1950 chevy coupe...

I have seen where 1 out of 100 will work without a ground,, But that wasn't to often..
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Old 02-20-2013, 09:36 AM
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One other point that may be made is to have some sort of Tank Shield under the tank to protect against damage. All of my factory rigs have one of some sort..

Sam
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