Well, I bit a few bullets for an underslung exhaust.

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Nelson 634
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Re: Well, I bit a few bullets for an underslung exhaust.

Postby Nelson 634 » Thu Oct 24, 2019 11:09 pm

Having a an exhaust pipe "Touching" the gas tank is not a good idea. Frankly it scares me for your safety. The pipe closest to the manifold is going to be the hottest. With a partial full tank it will pressurize the tank even with the new gas cap. This is what caused ambulance fires back in the nineties, fuel was pushed past the carb. flooding engine with raw gas causing them to burst into flames. I know, I was in one. The vehicle was brand new on the way from Columbus, Ohio to Virginia and we almost lost the vehicle. Luckily we saw the fire in time and shut the vehicle down. We had to remove the gas cap to get the vehicle back. We were on pins and needles the rest of the trip. A long trip. Please, reconsider the pipe placement.

(Solution for ambulance problem was placement of stainless steel shield between gas tank and exhaust pipe, 3 inches of clearance between tank and exhaust.) Walter
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Indy4570
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Re: Well, I bit a few bullets for an underslung exhaust.

Postby Indy4570 » Fri Oct 25, 2019 4:34 am

I like the do it yourself approach to fixing things. I make do a lot of the time with what I can find laying around. That being said, I don't think you will find many that won't ask you to reconsider running that pipe against the gas tank. Scares the hell out of me!
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better to have it and not need it than to need it and not have it...( YES this includes CUBS! )

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rockfarmer
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Re: Well, I bit a few bullets for an underslung exhaust.

Postby rockfarmer » Sat Dec 28, 2019 4:20 pm

Gasoline has a flash point of -45 degrees F and an auto ignition temperature of 536 degrees F.

You are getting good advice, I hope you have had time to re-adjust the pipe so that it is not touching the gas tank. :D

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Lt.Mike
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Re: Well, I bit a few bullets for an underslung exhaust.

Postby Lt.Mike » Sat Dec 28, 2019 7:04 pm

Quote by Gary Pickeral I like
"If it can cast a shadow, it can be restored"


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