 GT fuel tank question, Foam baffles ? |
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| Maltese Falcon |
 Jan 1 2020, 12:08 AM
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#1
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Advanced Member  Group: Members Posts: 4,661 Joined: 14-September 04 From: Mulholland SoCal Member No.: 2,755 Region Association: None   |
I've been around fuel cells and know that they require maintenance and replacement of the bladders...but this is on a customer's gt build; foam baffles inserted into the 100L tank. Yep...correct, several years ago these were inserted into the tank , I can only guess for keeping the slosh down and now these have disintegrated inside the tank.
Any fuel tank gurus out there, I know that cutting the tank open/and fabricating it back together is an option, but looking for solutions.  |
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| sixnotfour |
Jan 1 2020, 12:24 AM
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#2
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914 Wizard Group: Members Posts: 10,432 Joined: 12-September 04 From: Life Elevated..planet UT. Member No.: 2,744 Region Association: Rocky Mountains
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cut up cubes or balls ..stuff through filler neck....there is no any reason to cut the og tank or make a replacement......I did it on a Cobra...
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| sixnotfour |
Jan 1 2020, 12:27 AM
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#3
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914 Wizard Group: Members Posts: 10,432 Joined: 12-September 04 From: Life Elevated..planet UT. Member No.: 2,744 Region Association: Rocky Mountains
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How is That Guy anywaysss....heard he had a replica built ???
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| Maltese Falcon |
Jan 1 2020, 11:21 AM
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#4
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Advanced Member Group: Members Posts: 4,661 Joined: 14-September 04 From: Mulholland SoCal Member No.: 2,755 Region Association: None |
QUOTE(sixnotfour @ Dec 31 2019, 10:24 PM)  cut up cubes or balls ..stuff through filler neck....there is no any reason to cut the og tank or make a replacement......I did it on a Cobra... Thanks for that tip...will attempt in the next couple weeks. Msds customer will be a very Happy Camper !!! |
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| sixnotfour |
Jan 1 2020, 12:17 PM
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#5
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914 Wizard Group: Members Posts: 10,432 Joined: 12-September 04 From: Life Elevated..planet UT. Member No.: 2,744 Region Association: Rocky Mountains
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Yes Cleaning out the old was tough,,small handed helper helps alot..
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| PlaysWithCars |
Jan 1 2020, 12:43 PM
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#6
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Senior Member Group: Members Posts: 524 Joined: 9-November 03 From: Southeast of Seattle Member No.: 1,323 Region Association: Pacific Northwest
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Could you dump a solvent into the tank that will dissolve the old baffles? Lacquer thinner maybe? (IMG:style_emoticons/default/confused24.gif) Then put in the replacement chunks per Jeff's suggestion.
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| wndsrfr |
Jan 1 2020, 01:02 PM
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#7
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Senior Member Group: Members Posts: 1,430 Joined: 30-April 09 From: Rescue, Virginia Member No.: 10,318 Region Association: MidAtlantic Region
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Flush with water and detergent....Dry it. Maybe 24 hours air blow..use shop vac to get residue out.
Still you won't get it all so I would leave off the in tank screen and put a racor plastic bowl filter on it to separate the inevitable stuff out. Actually better to scrap the tank & install new.. .. |
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| sixnotfour |
Jan 1 2020, 02:21 PM
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#8
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914 Wizard Group: Members Posts: 10,432 Joined: 12-September 04 From: Life Elevated..planet UT. Member No.: 2,744 Region Association: Rocky Mountains
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QUOTE Actually better to scrap the tank & install new.. .. its a factory GT 100 liter tank..... |
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| Maltese Falcon |
Feb 1 2020, 08:43 PM
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#9
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Advanced Member Group: Members Posts: 4,661 Joined: 14-September 04 From: Mulholland SoCal Member No.: 2,755 Region Association: None |
Foam problem solved...thank you all for your input !
Next up is the 2nd tank...it has a filler cap that has "Mated" itself to the filler neck...won't budge and we are not looking to butcher it off of its resting place either (IMG:style_emoticons/default/sad.gif) We came up with soaking the filler neck with pB blaster for a week, and trying to wrench it off with a toothed-neoprene belt ; no-go. More pB soaking, and another few days with the tank inverted for more soak...nada So my bud found an adjustable "Pin" wrench online, did a bit of custom contour grinding and presto >> hit the jackpot.  |
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| Maltese Falcon |
Feb 1 2020, 08:45 PM
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#10
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Advanced Member Group: Members Posts: 4,661 Joined: 14-September 04 From: Mulholland SoCal Member No.: 2,755 Region Association: None |
The right tool gives the right result, like this...
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| Maltese Falcon |
Feb 1 2020, 08:49 PM
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#11
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Advanced Member Group: Members Posts: 4,661 Joined: 14-September 04 From: Mulholland SoCal Member No.: 2,755 Region Association: None |
Modified the pins with a small abrasive Makita disc, so the tool can rotate within the confines of the filler neck
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| sixnotfour |
Feb 2 2020, 01:23 AM
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#12
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914 Wizard Group: Members Posts: 10,432 Joined: 12-September 04 From: Life Elevated..planet UT. Member No.: 2,744 Region Association: Rocky Mountains
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