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Should i foam it ??
Heard from the welder today and he said my fuel tank will be ready on Friday. The question i have is, should i foam it in , strap it in , or secure it with wood or such?? Thanks in advance. Tight lines.
Scott 
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#2
03-05-2007, 01:54 PM
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Re: Should i foam it ??
I will wait for the answer to your question as well.
How much was your new tank? If you don't mind me asking.
__________________
*************************************** Stay Safe!  Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#3
03-05-2007, 02:15 PM
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Re: Should i foam it ??
I was going to ask the same question next week. My thoughts are to use the wedges that I found under the tank in the same location and strap down on top of them. I'm interested in hearing other opinions.
__________________
Do I lure the fish or do they lure me? 
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#4
03-05-2007, 02:35 PM
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Re: Should i foam it ??
Randle, ive got a 45 gallon tank and its 400.00 even.Its Coast Guard approved and he tests it up to 4 psi.He uses 1/8 inch aluminum. Or .125 I was told that since its only 45 gallons not to worry about using 4lb density foam. How big are yall 's tanks ??
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#5
03-05-2007, 03:21 PM
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Re: Should i foam it ??
I have read several times that it is best to use straps or wood tie downs. The reason they give is that the foam traps moister which cuts down on the life of the tank. You will want the tank sit on some type of runners so it will be off the bottom of the boat allowing air and water to pass.
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#6
03-05-2007, 03:33 PM
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Re: Should i foam it ??
So i should use a combination of both ??
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#7
03-05-2007, 03:51 PM
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Re: Should i foam it ??
One thing ya wanna make sure of is that the alum. is protected from anything as hard as fiberglass...the MANY vibrations it'll suffer over time will wear thru no matter how well you secure it...I used 1/4" black rubber under mine...
...and when you install it, MAKE SURE the TANK itself (in addition to the fuel gauge) is GROUNDED to the filler-cap...static elec. and gas fumes don't make a good combination, unless your goal is to look like Wiley Coyote after one of his Acme Bombs goes off prematurely :o ...
__________________
'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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#8
03-05-2007, 07:55 PM
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Re: Should i foam it ??
I've been looking into the same thing. Here's what the CG boys have to say http://www.uscgboating.org/safety/bo...FUELSYSTEM.pdf
Here's another take http://marinesurvey.com/yacht/fueltank.htm
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#9
03-06-2007, 11:32 AM
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Re: Should i foam it ??
Quote:
 Man, a 45 gal tank would be perfect.
__________________
*************************************** Stay Safe! Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke. 1995 Ranger 250C with a 2015 Suzuki 300 hp 4-stroke.
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#10
03-06-2007, 12:00 PM
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Re: Should i foam it ??
Those are some good links...good info for installing tanks...Pascoe's description of runnin' plastics strips ''crossways'' of the tank I'm not sure about...wouldn't it drain better if run "longways"...in other words; WITH the length of the hull ... if the boat's tilted up, I can see where crossways would trap water ... :D ...
__________________
'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha
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