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solder on a gas tank

Posted by dhen

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solder on a gas tank #1
dhen Darian Henderson San Antonio, TX, USA 1962 MG MGA Conversion "Mater"	Posted: February 17, 2012 08:51PM Registered: 5 years ago Posts: 517

This is for my Jag, not my MG, but hopefully that's OK.

The outlet on my fuel tanks is very large (.5 inch) and I'd like to make them 3/8 inch. (It's a long story.) The outlets are aluminum. Someone suggested using electrical solder and soldering the larger outlet to the narrower, 3/8 inch, aluminum fuel line.

If I do this, it would be on the feed side of the tank and not under pressure.

Can anyone here think of any reason this wouldn't work? I can't think of one, but I would rather risk embarrassment by asking here and be wrong than have a major fuel leak at some inopportune time...

Thanks,

Darian

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Re: solder on a gas tank #2
OldBloke Jim Legg Napa, California, USA 1971 MG MGB GT 1972 MG MGB V6 Conversion	Posted: February 17, 2012 09:11PM Registered: 5 years ago Posts: 8,235

Just don't do it like this!

"Not all who wander are lost." -J.R.R. Tolkien

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Re: solder on a gas tank #3
dhen Darian Henderson San Antonio, TX, USA 1962 MG MGA Conversion "Mater"	Posted: February 17, 2012 09:19PM Registered: 5 years ago Posts: 517

In reply to # 1987696 by OldBloke Just don't do it like this!

Nah, I'm pretty clueless sometimes, but I'm not THAT dumb, and though it might not sound like it, I'm actually not trying to save money/ghetto rig something. I'm trying to find a practical solution to getting the outlets to match the newer tank selection valve I ordered.

The outlet comes off, and if I do this, I plan to do it right and clean it thoroughly first.

Darian

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Re: solder on a gas tank #4
rficalora Rob rficalora Cypress, TX, USA 1976 MG MGB V8 Conversion "MG MUTT"	Posted: February 17, 2012 11:49PM Registered: 7 years ago Posts: 1,680

Darian, I'm guessing I've misunderstood what you're trying to accomplish, but can you not just use some adapter fittings with 1/2" on one side & 3/8 on the other?

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Re: solder on a gas tank #5
dhen Darian Henderson San Antonio, TX, USA 1962 MG MGA Conversion "Mater"	Posted: February 18, 2012 12:50AM Registered: 5 years ago Posts: 517

No, you haven't misunderstood. I'm trying to narrow it at the source for a cleaner conversion.

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Re: solder on a gas tank #6
mg man 75 maurice sallee Campbellsville, Central Kentucky, USA 1976 MG Midget	Posted: February 18, 2012 08:42AM Registered: 6 years ago Posts: 1,620

They other option is a flush fitting. Here is what I am talking about. Maurice
http://storefront.whaleyfoodservice.com/parts/Whaley%20General%20Part.aspx?part=1261046&mfr=WF1

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Re: solder on a gas tank #7
Skye Skye Nott Vancouver, BC, Canada 1964 Vespa VNB 125 1966 MG MGB "The Bomber RIP" 1983 Suzuki MC GS750E "Kate" 1986 Merkur XR4Ti "The Rally Car" 1990 Volkswagen Corrado G60	Posted: February 18, 2012 02:48PM Registered: 13 years ago Posts: 2,761 Admin

Hey Darian, just to let you know, I also have a Jaguar website, and you can login with the same username & password you use here, if you want to add your Jag to the registry, or post stuff in the Forums, you're more than welcome

http://www.jaguarexperience.com/

Skye

Webmaster, The MG Experience

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Re: solder on a gas tank #8
TRIKER john fenner BFE, Miami Fl / ( Cuba), USA 1972 MG MGB "Red Barchetta"	Posted: February 21, 2012 12:31PM Registered: 3 years ago Posts: 1,529

Having re read that to make sure, If you have aluminum bungs goming out of the tank and are going to aluminum fuel line you can solder it but not with electrical solder which is tin and silver, you might have better luck with an aluminum solder kit, i have seen the rods but dont know which flux to use. There may be someone on here that has done this process.

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Re: solder on a gas tank #9
dhen Darian Henderson San Antonio, TX, USA 1962 MG MGA Conversion "Mater"	Posted: February 21, 2012 06:17PM Registered: 5 years ago Posts: 517

Thanks, but I abandoned the idea and went with inline adapters. It was too big a risk to take if it didn't work.

Darian

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