Steve Braverman Posted September 6, 2009 Share Posted September 6, 2009 I recently had the tank out of Dad's 1923 Franklin. The original drain plug got lost so I got a replacement at the auto parts store. It's a brass plug in a steel bung. No matter how tight I make it, it drips. Is there any kind of sealant that it appropriate for this? Link to comment Share on other sites More sharing options...
msmazcol Posted September 6, 2009 Share Posted September 6, 2009 Hello Steve, Thanks again for the photos on the sit and ride jeep.We use good old # 2 Perma-tex. The nasty brown stuff in the tube. It will remain soft for latter removal but should stop the gas leak. I believe it even says gas lines, etc. on the tube.Good luck Link to comment Share on other sites More sharing options...
Larry Schramm Posted September 7, 2009 Share Posted September 7, 2009 I would also recommend Permatex pipe sealant with teflon. It is avalilble with a GM part number along with the permatex at the auto parts store. Link to comment Share on other sites More sharing options...
jdome Posted September 7, 2009 Share Posted September 7, 2009 You also want to make sure the thread on the replacement plug matches the hole. ie NPT or straight thread. Most of the old cars used plumbing tapered thread on tanks. Most modern brass fittings that you buy at auto stores are NPS straight thread. Normally NPS will only start to thread into NPS hole unless it is worn and/or you force it or re-thread it. You can buy brass NPT plugs at Home Depot plumbing. Link to comment Share on other sites More sharing options...
Guest Valikie22 Posted September 8, 2009 Share Posted September 8, 2009 I am glad to find your site - now I know what a good one looks like.Very good topic to share with us. Great info. property asset project | document internet management software Utilizing your internet resources effectively through internet management software. property asset project | document internet management software Link to comment Share on other sites More sharing options...
John Gelfer Posted September 29, 2009 Share Posted September 29, 2009 Yes, it is pipe thread. Plumbing supply or hardware store will have it. There is a special fuel proof petcock lube (keeps them from dripping, and also prevents binding up) which also works as a non-hardening gasket compound for fuel related items. It is mainly used in aviation, but I think it is for sale from some of the antique car parts vendors. Link to comment Share on other sites More sharing options...
Steve Braverman Posted September 29, 2009 Author Share Posted September 29, 2009 I used some Aviation Form-a-Gasket. Worked great! Link to comment Share on other sites More sharing options...
Guest trainguy Posted October 16, 2009 Share Posted October 16, 2009 Steve ,DO NOT use teflon tape.the the little stings get into the fuel and will cause problems. Link to comment Share on other sites More sharing options...
Fred Rawling Posted October 25, 2009 Share Posted October 25, 2009 Trainguy is correct on the teflon. Good old Permatex #2 is still one of the best sealers. Link to comment Share on other sites More sharing options...
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