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| thickness of material for under gas tank | Rate Topic |
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| Posted: 10-02-2016 02:21 am |
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1st Post |
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Bfitz241 Member 
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I read through this thread http://www.jensenhealey.com/forums/view_topic.php?id=1930&forum_id=14 and saw people use varied things under the tank. I'm thinking about using 3/16" thick material, either rubber or some type of nylon. Think that is a reasonable thickness ?
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| Posted: 10-02-2016 03:15 pm |
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2nd Post |
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Brett Gibson JH5 20497 Member
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You can use a lot of things under the tank, but just keep in mind "Air flow", should it get wet under there it needs to dry. Brett
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| Posted: 10-02-2016 06:50 pm |
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3rd Post |
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Tom Bradley Member
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3/16" thick sounds about right. I used some felt padding that was around 5/16" or so and it was too thick. I had to remove some of the rubber from the fill tube to get it to fit. Felt generally is not recommended because it can hold moisture which can cause rusting, but my tank had a good paint job when I re-installed it and it made slipping the tank in and out much easier than rubber. Any material that is flexible enough to fill in the gaps between the tank and the frame should be fine. Nylon seems like it might be too stiff for this. There also is supposed to be some padding between the tank and the backside of the cockpit. I used 1/4" cork, which put the drain somewhat forward of the center of the hole in the frame. I think 1/2" is what it is supposed to be.
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| Posted: 10-02-2016 11:25 pm |
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4th Post |
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Bfitz241 Member
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that's good info..Thanks I will act accordingly...
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| Posted: 10-03-2016 07:19 am |
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5th Post |
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Tom Bradley Member
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Forgot to mention: There is also supposed to be a rubber grommet in the drain hole in the chassis. This helps keep any moisture from getting in from underneath the car. I forget the size, but it was fairly easy to find. The grommet I found was thinner than the padding I had, so I added a bead of silicone to complete the seal after I had everything settled in.
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| Posted: 10-03-2016 07:32 am |
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6th Post |
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answerman Member
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I used sections of 12/2 Romex (residential building cable, what you've got for all the wiring in your house most likely). Cut about 4 sections of it about a foot apiece, laid them in place, and then set the fuel tank on them. No, it's not "concours" but it's not like anyone will ever see it with the carpet in place and it's something almost every homeowner has lying around.
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| Posted: 10-03-2016 08:22 am |
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7th Post |
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Frank Schwartz Member
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If you use felt, just remember that it will really soak up water and hold it ...and then...rust.... I cut strips from those cheap rubber bungee straps and glue about three of them down on the floor and let the tank rest on them...
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| Posted: 10-04-2016 12:58 pm |
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8th Post |
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Paul Koehler Member 
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A simple extension cord, cut to the proper length, is about the right thickness, and because of its composition (copper and plastic) will not itself corrode or contribute to galvanic corrosion, because of the plastic insulating the two different metals
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| Posted: 10-04-2016 08:55 pm |
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9th Post |
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Screenplay Member
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In addition to the material under the tank, be certain the gasket around the filler tube is as good as can be well. Delta has replacements, and I have to wonder if there is a good installation trick to help keep the water out in the first place.
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| > Jensen Healey & Jensen GT Tech > Fuel Stuff > thickness of material for under gas tank | Top |
