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13 May 2008, 18:25 (Ref:2201410)
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#1 | ||
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Racer
Join Date: Jun 2006
Posts: 355
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Foam Filling Fuel Tanks
Ok I know this is going to sound daft but....How do I foam fill my square shaped, aluminium petrol tank? Do I clean out, make safe etc and cut it open or will that just burn the foam when I'm re-welding? Or can I just try forcing the foam into the filler?
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13 May 2008, 19:02 (Ref:2201446)
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#2 | ||
 Race OfficialVeteran
Join Date: May 2003
Posts: 11,142
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Get the little square foam cubes, stuff them in the filler neck, put too many in so they stick up the neck so when you fill it up with fuel it splashes all over the car and your race overalls.
Then you have to start poking around with bits of hooked wire to try and get a couple back out only to find bits break off and you can't get them out. Well that's what I did. 
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13 May 2008, 19:17 (Ref:2201463)
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#3 | ||
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Veteran
Join Date: Sep 2006
Posts: 12,853
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Dont forget the guage sender if you have one fitted. Being an alloy tank,are you sure its not already done?
Last edited by terence; 13 May 2008 at 19:19. |
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__________________
Living the dream,Chief instruktor and racing on the worlds best circuits-The Nordschleife and Spa.Getting to drive the worlds best cars-someone has to do it, so glad its me.
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13 May 2008, 19:47 (Ref:2201492)
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#4 | ||
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Veteran
Join Date: Apr 2004
Posts: 3,812
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As Tim says, use the foam cubes. If you half-fill with fuel then bung some cubes in, by the time you've trailered to a circuit they will have distributed themselves around the tank and you will be able to add some more. Repeat until it won't take any more.
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__________________
a salary slave no more...
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13 May 2008, 19:47 (Ref:2201494)
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#5 | ||
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Racer
Join Date: Jun 2006
Posts: 355
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Brilliant Eric. Best description of my normal race day ever!! Only without the foam.
Terence, I went for the 'cheap' unfilled option. I know....hindsight and all that......! |
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14 May 2008, 09:23 (Ref:2201925)
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#6 | ||
 Nature's servantVeteran
Join Date: May 2000
Posts: 4,380
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Tim - I read that and thought "that's exactly what I would have done"
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__________________
This planet is mildly noted for its hoopy casinos.
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15 May 2008, 08:04 (Ref:2202834)
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#7 | ||
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Veteran
Join Date: Jul 2003
Posts: 6,791
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>>>>>>>>>they stick up the neck so when you fill it up with fuel it splashes all over the car and your race overalls.
You also find when you buy force 6 gallons of cubes into a 6 gallon tank that the "stuff" already inside the tank jams the foam and it takes 10 minutes to fill with petrol. You have to jack the car up to get the angle "just right" before you can get in enough fuel for a race. Don't ask MGDavid and I how we know! |
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__________________
Midgetman - known as Max Tyler to the world. MaxAttaq!
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19 May 2008, 20:13 (Ref:2206753)
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#8 | ||
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Veteran
Join Date: Nov 2006
Posts: 9,412
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My mate made me a tank and put big squares of foam in it before he welded it up. He just pumped an inert gas in it while finishing it off.
I also fitted a serrated hard plastic pipe inside the filler neck to the bottom of the tank and have never had any trouble filling it . |
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__________________
Balls of steel (knob of butter) They're Asking For Larkins. ( Proper beer) not you're Eurofizz crap. Hace más calor en España. Me han conocido a hablar un montón cojones! Send any cheques and cash to PO box 1 Lagos Nigeria Africa !
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