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Keith True · 07-19-2010, 06:28 AM

It does sound like a tank sealer,but to have several cars doing the same thing is kind of odd.That is,unless a bunch of buddies all did the same thing.Many years ago a garage here would mix up Permatex and alcohol,and swish it around the tank.The gas would not bother it,at least not for the last 35-40 years.Now they are all coming apart.It kind of looks like thin flakes of black oatmeal.For the most part it is being caught by the sediment bowls,I am seeing it on old tractors and most have the glass bowls.(except Fords) The guy that did it warned everybody not to use Cumberland Farms gas,they started selling Gasahol here in 1980.

07-19-2010, 06:28 AM	#9
Keith True Senior Member Join Date: May 2010 Location: Epping N.H. Posts: 2,987	Re: Black stuff in gas tank It does sound like a tank sealer,but to have several cars doing the same thing is kind of odd.That is,unless a bunch of buddies all did the same thing.Many years ago a garage here would mix up Permatex and alcohol,and swish it around the tank.The gas would not bother it,at least not for the last 35-40 years.Now they are all coming apart.It kind of looks like thin flakes of black oatmeal.For the most part it is being caught by the sediment bowls,I am seeing it on old tractors and most have the glass bowls.(except Fords) The guy that did it warned everybody not to use Cumberland Farms gas,they started selling Gasahol here in 1980.