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Expert
Posts: 2196
Location: Muskego, WI | I had a gas tank Renu dealer in Rockford, IL restore my gas tank a few years ago and I finally filled it with gas to test run my car today. Well guess what, it leaked and what I found was pretty pathetic. They made this crappy gasket for the drain plug. Should be easy to fix but it's pretty clear that they didn't test the tank and I didn't get my money's worth.
So, what should I do to seal this plug? Nylon washer?
Edited by jboymechanic 2015-07-03 10:41 PM
(Imperial Tank Leak.jpg)
(Imperial Tank Plug.jpg)
(Imperial Tank Gasket.jpg)
Attachments ---------------- Imperial Tank Leak.jpg (32KB - 120 downloads) Imperial Tank Plug.jpg (35KB - 130 downloads) Imperial Tank Gasket.jpg (49KB - 133 downloads)
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Elite Veteran
Posts: 982
Location: Upper Hunter NSW Australia | ................
If it was my tank I would use a copper washer and run some thread seal along the plug threads and it shouldn't leak.Make sure the thread seal you use is ok for use with gasoline.
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Expert
Posts: 2196
Location: Muskego, WI | I'm doing just that. I actually found a new plug, the threads are 7/8-20 (an odd size), made by Fragola. It is their part number 491980-BL and it comes with an aluminum washer. The review for the part on summitracing.com was from a guy needing a "drain plug" for a 1949 Dodge, I'm guessing he needed it for his gas tank too.
http://www.summitracing.com/parts/fra-491980-bl?seid=srese1&gclid=C...
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Expert
Posts: 3768
Location: NorCal |
I don't trust solid metal gaskets. I used an AN900-14 crush gasket on mine....works well with the slight depression in the factory plug. If you have a general aviation airport nearby they probably have a bunch of them.
http://www.aircraftspruce.com/catalog/eppages/epan900.php |
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Expert 5K+
Posts: 8947
Location: WHEELING,WV.>>>HOME OF WWVA | black permatex on the threads and a little under the cap . screw it down to almost contact , let set for @ an hour or so tighten it down . then let it set up for a couple of
hours . seals it up good considering its oil and gas resistant ----------------------------------------------------later |
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