Engine and Transmission Tech

tips, technology, tools and techniques related to vehicle driveline components

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ghornbostel
Greg Hornbostel
Nebraska
(76 posts)

Registered:
09/02/2013 01:41PM

Main British Car:
1957 TR3 Buick 231 evenfire V6

Re: Hirsch gas tank sealer rant
Posted by: ghornbostel
Date: August 16, 2015 07:58PM

I just got a fresh tank of argon and 5 lbs of si bronze rod. I planed to use it for body work patch panels Have tried it on 22 gage sheet steel and it really flows out nice. Kind of like a high speed torch. It will be awhile as I have to get the coolant pump plumbed first. I'm not sure I have the carbs under complete control yet. Life has been a lot better since I put that bigger fan behind the radiator.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6469 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: Hirsch gas tank sealer rant
Posted by: BlownMGB-V8
Date: August 17, 2015 10:10AM

I haven't specifically used Si-Bronze on stainless but I have some rod I use for brazing copper lines that may be very similar. It is commonly used around here on air conditioning work as a fluxless silver solder substitute and works extremely well for that, better than anything else I have ever used on copper from tin/lead solder all the way up to brass and silver solder. If it wets the stainless as well as it does copper then there's little reason to think you couldn't use it to torch braze the stainless and I could see it doing an excellent job. The only downside would be appearance, as it turns brown, so if making a polished part you'd have very visible seam lines. And of course you couldn't weld it afterwards.

Jim


roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: Hirsch gas tank sealer rant
Posted by: roverman
Date: August 17, 2015 05:11PM

Electroless nickel plating is also suited for aluminum. I think up to .002" thick ? "Someone" in SoCal may have a tank, large enough for your tank ? Art.
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ghornbostel
Greg Hornbostel
Nebraska
(76 posts)

Registered:
09/02/2013 01:41PM

Main British Car:
1957 TR3 Buick 231 evenfire V6

Re: Hirsch gas tank sealer rant
Posted by: ghornbostel
Date: September 17, 2015 11:47PM

Has anyone used Alvin Lab Metal as a gas tank sealant? My TR3 tank had a seep on the bottom seam many years ago and I pulled the tank, cleaned it with Alvin Lab Metal solvent and applied a thinned out coat of Lab Metal to the seam. It never did leak again but then something else could have plugged the leak from the inside out. Just thinking

Greg


HealeyRick
Rick Neville

(489 posts)

Registered:
12/19/2007 05:01PM

Main British Car:
1963 Austin-Healey 3000 Ford 5.0L

authors avatar
Re: Hirsch gas tank sealer rant
Posted by: HealeyRick
Date: October 04, 2015 11:47AM

Jim,

Make sure to use some "special brand" fuel stabilizer in that tank!

http://i60.tinypic.com/2nsaw44.jpg



Edited 1 time(s). Last edit at 10/04/2015 11:42PM by HealeyRick.
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