Group: I got to get in on this one! I am in a farming community. As such we had and still have a large welding shop. The previous owner used to weld lots of deisel tanks, ammonia tanks and a few gasoline tanks. Always had them full to nearly overflowing. Got away with it for many years. Once he didn't, and was killed. His son took over, and also has welded many a fuel tank, etc. but prefers (funny about that) not to do so. Will not touch an ammonia tank nor gasoline. I do not know which type of fuel blew up the one time. Guess it really isn't all that important. I have heard conjecture it may have been too full and heat expansion pushed some out that then vaporized, others that it wasn't full enough. His son picks and chooses what he will and won't work on, now. Tim Tomlinson ----- Original Message ----- From: jlsavard@xxxxxxx To: DAN300F@xxxxxxx ; Chrysler300@xxxxxxxxxxxxxxx Sent: Friday, December 28, 2007 7:05 PM Subject: Re: [Chrysler300] New question on fuel tank sending units In a message dated 12/28/2007 7:48:22 P.M. Eastern Standard Time, dan300f@xxxxxxx writes: Hi all: Years ago when I worked for the telephone company, in the motor vehicle yard, the cap on an underground gas tank needed replacing. A guy came out, took a torch and cut off the old cap and welded on a new one. The trick was that he first put a hose down the pipe shaft from his exhaust pipe on his truck, filling the void in the tank with carbon monoxide. With that, no oxygen, no danger of fire. Dan Reitz Northridge, CA That's all very nice, and pretty clever, but I can still remember working at a large garage that had a radiator repair department. Whenever we got a gas tank in that needed repair, the serviceman immersed the gas tank in the radiator hot boil out tank for several hours, then ran an air hose through it for long enough that we all got tired of listening to it. You'd expect that to be enough to get any fumes out of the tank, but the service guy had one more trick up his sleeve. He set the tank into the little room where he worked, and reached around the corner of the door with a torch to see if anything was still coming out of the filler pipe. You would be surprised at how many times he was rewarded with a resounding "Boom" and a puffed-up fuel tank. I'm also reminded of the airliner that blew up off the coast of new York. The cause was finally determined to be an electrical short in an empty jet fuel tank. Jet fuel is less volatile than gasoline. I still don't know how/why our fuel gages work, but I'm sure glad that they do! Joe Savard Lake Orion, Michigan **************************************See AOL's top rated recipes (http://food.aol.com/top-rated-recipes?NCID=aoltop00030000000004) [Non-text portions of this message have been removed] [Non-text portions of this message have been removed] To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: mailto:Chrysler300-digest@xxxxxxxxxxxxxxx mailto:Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/