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Tom Wesenberg · 07-12-2018, 01:00 PM

I would clean the gas tank with Marine Clean to get rid of the old tank liner. Try to only buy gas without ethanol and use 4 ounces of Marvel Mystery Oil with each 10 gallons of gas. I'd also put a can of Sea Foam in the oil.

E-85 might strip off the old tank liner. I used a gallon of E-85 and a hand full of lag bolts and wood screws, then rotated my Studebaker gas tank at 45 degrees for an hours, then flipped the tank over and repeated for another hour. My tank was spotless clean inside, so I have no idea why anyone would have lined the tank in the first place. I would never line any tank.

BTW, since the head is off, start by spraying Kroil on all the valve stems to free them up.

07-12-2018, 01:00 PM	#42
Tom Wesenberg Senior Member Join Date: May 2010 Location: Mpls, MN Posts: 27,582	Re: No compression I would clean the gas tank with Marine Clean to get rid of the old tank liner. Try to only buy gas without ethanol and use 4 ounces of Marvel Mystery Oil with each 10 gallons of gas. I'd also put a can of Sea Foam in the oil. E-85 might strip off the old tank liner. I used a gallon of E-85 and a hand full of lag bolts and wood screws, then rotated my Studebaker gas tank at 45 degrees for an hours, then flipped the tank over and repeated for another hour. My tank was spotless clean inside, so I have no idea why anyone would have lined the tank in the first place. I would never line any tank. BTW, since the head is off, start by spraying Kroil on all the valve stems to free them up.