mikzjr@aol.com Posted July 7, 2008 Share Posted July 7, 2008 I had a sending unit made for a 29 chrysler and it has a cork float on it will this new ethanol gas effect a cork float on a gas sending unit Link to comment Share on other sites More sharing options...
Guest Posted July 8, 2008 Share Posted July 8, 2008 The problem I found was that the ethanol ate the shellac sealer from my carb float. I asssume that it would do the same to a sender float. I made myself a brass float and solved my problem in about two hours. Link to comment Share on other sites More sharing options...
carbking Posted July 8, 2008 Share Posted July 8, 2008 So far, we have have excellent results by sealing floats WHICH HAVE NEVER BEEN IN FUEL by using POR-15. No guarantees, but it has worked for us.Jon. Link to comment Share on other sites More sharing options...
mikzjr@aol.com Posted July 8, 2008 Author Share Posted July 8, 2008 Jon the float has never been in gas, but it has been coated with shellac will the por-15 still adhere on the shellac coated cork Link to comment Share on other sites More sharing options...
Bhigdog Posted July 8, 2008 Share Posted July 8, 2008 My two cents worth. You can build the strongest building in the world but if it's foundation is weak it is doomed...Bob Link to comment Share on other sites More sharing options...
1929Chrysler Posted July 9, 2008 Share Posted July 9, 2008 POR 15 makes a gas tank sealant that is impervious to gas. You can buy it in the pint size. I coated my cork float in my fuel canister and it has worked like a dream with no problem.Dan Link to comment Share on other sites More sharing options...
carbking Posted July 13, 2008 Share Posted July 13, 2008 <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: mikzjr@aol.com</div><div class="ubbcode-body">Jon the float has never been in gas, but it has been coated with shellac will the por-15 still adhere on the shellac coated cork </div></div>I don't know. Have never tried that. Do know one can have problems with cork which has been in gasoline.Jon. Link to comment Share on other sites More sharing options...
Mark Shaw Posted July 14, 2008 Share Posted July 14, 2008 In Harold Sharon's book "Knowing you Brass Car" he used Krazy Glue to glue several wine corks together to make replacement corks as it is uneffected by gasoline or alcohol. I took it one step further and used it to coat the new corks I have made as well as old usable corks. It is redily available at any hardware store, and can easily be applied to encapsulate the whole cork as well as all the attachment points for the brass hardware. Link to comment Share on other sites More sharing options...
1929Chrysler Posted July 15, 2008 Share Posted July 15, 2008 If you're really worried about the shellac I would get rid of it first. Shellac is made from a certain bug and dissolves very easily in denatured alcahol. Soak it for a few minutes in the denatured alcahol. The shellac will dissolve very easy. Then rinse it again in another clean bath of the alcahol, let it thoroughly dry, (few days maybe)then coat it with the appropriate POR product. It should be fine.Dan Link to comment Share on other sites More sharing options...
mikzjr@aol.com Posted July 23, 2008 Author Share Posted July 23, 2008 thanks dan Link to comment Share on other sites More sharing options...
Rusty_OToole Posted July 26, 2008 Share Posted July 26, 2008 Gas tank sealer is good for coating cork floats. So is Glyptol varnish, which is used in electric motor rebuilding shops for coating the windings of electric motors, magnetos etc. Link to comment Share on other sites More sharing options...
Steve Braverman Posted August 20, 2008 Share Posted August 20, 2008 I just took apart the sending unit from my father's 1923 Franklin. The float is cork and it's kinda ratty looking. Do I need to coat it, or should I just leave it alone? I assume it will still float. Link to comment Share on other sites More sharing options...
mikzjr@aol.com Posted August 20, 2008 Author Share Posted August 20, 2008 i just coated mine with por-15 gas tank sealer, came out great mike Link to comment Share on other sites More sharing options...
1929Chrysler Posted August 21, 2008 Share Posted August 21, 2008 It's my understanding the corks will eventually sink in today's ethonal gas?? Is this correct? I do know that the old corks were coated in shellac which will dissolve in alcohol. In a sense, isn't ethonal a form of alcohol?? If it was me I would remove the shellac and coat with the proper POR product to be on the safe side.Dan Link to comment Share on other sites More sharing options...
Guest Bob Call Posted August 30, 2008 Share Posted August 30, 2008 Yes, ethanol is ethel alcohol. Ethel alcohol is made from plant material, it is whiskey or grain alcohol (moonshine). That which used for anything other than whiskey has additives making it undrinkable (isopropyl and denatured). Methanol is methel alcohol and is made from hydrocarbon feed stock usually natural gas (methane)and it is poisonous!Both these forms of alcohol are highly corrosive and wreak havock on the fuel systems of cars not designed to use them as fuel. Link to comment Share on other sites More sharing options...
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