Tue Feb 21, 2012 8:34 am
Does anyone have a recommendation for a gas tank liner. I've got a rusty one.
Tue Feb 21, 2012 11:46 am
Dan, I think the two most popular brands are Redkote and Por 15.
Tue Feb 21, 2012 6:39 pm
RedKote is the only product I want in my tanks and I will not risk my health doing it. I send my tanks out to be cleaned and sealed by the pro's... they have the proper/safe equipment to do the job right.
Tue Feb 21, 2012 9:40 pm
Redkote is great. I used it in my H and I have had absolutely no issues.
Wed Feb 22, 2012 12:38 pm
RedKote does have some noxious vapors. POR 15, I don't know about.
I have used RedKote several times. Always outdoors and in warm weather with no ill effects. You will need a warm area or sunshine to cure RedKote after lining the tank. I let the tank set outdoors where the sun can heat up the tank and cure the lining. Give the tank a snif test after a couple of days. If there is a smell - let set another day or two - until there is no more product smell.
Wed Feb 22, 2012 10:36 pm
I did the redkote on my 300 Utility. The preparation is the hard part. Getting the tank out was hard. I used some sort of acid that I had accumulated at an auction to eat the rust flakes. It had no label, but the other stuff around it at the time led me to believe it may have something to do with cleaning concrete- so maybe muriatic.. I had dipped some rusty cast iron in it one time, and it ate that rust away and left the iron halfway bright. So, I sloshed a couple of cups of it around it that tank and gave it time to work, then dumped it out.
Then, I risned it out with water a couple of times. After that, like the redkote instructions say, I sloshed about a pint of acetone around in the tank to clean things further and to dispel the water. Dumped that out and poured the rest of the acetone in the tank and sloshed it around for a minute. Poured it out and let the tank set with the valve port downwards to ensure everything drained out.
THen, did poured in enough Redkote to coat the tank innards, sealed the filler neck, plugged the valve port with a pipe plug to protect the pipe threads, and rolled and rotated that tank for about 10 minutes to give that thick liquid a chance to coat every nook and cranny. THen I unplugged the valve port and drained the excess coating.
When I was done and satisfied, I ran a pipe tap up into the valve port to clean the redkote from the pipe threads, and it was finished.
Have had no rust problems since.....
Thu Feb 23, 2012 9:52 pm
I was told that in time that coating junk will eat loose and plug your gas flow creating an even bigger problem!---I never took the chance,---I just replaced the tank with a known good one!
I have one temp tank that is a converted osha gas can and it became a perm. tank when I found it would work!--wont win trailer queen contest but engine runs! thanks; sonny
Fri Feb 24, 2012 7:15 am
i used "Gas tank liner " from j.c.whitney over 5 years ago on my M . When I bought it was so bad abouut every 50 to 100 feet it would plug up the screen. No problems since that great day
Fri Feb 24, 2012 11:35 am
"that great day"~ no kidding!!!!
I used to have trouble with my 300u. Choke nearly all the way closed just to get it to run, then soon enough that wasn't enough.
Mainly cause of rust in the fuel line screen in the carb. Redkote to the rescue and nor more problems~ and that was about 2- 2½ years ago.
I wouldn't put much stock in the "was told that the coating junk will eat loose and...." warning. If you get that tank metal clean, it's gonna stick. That's where the acetone comes in- it cuts the petroleum deposits and give the redkote a good surface to adhere to.... What you don't want is to leave any excess liquid in any one corner or crevasse in the tank. The stuff doesn't set up solid when there is a puddle of it. A thin coat, yes, thick blob- no. If you leave a puddle, that's when you could get gas underneath the red skin and that could cause problems.
That's why you twist and turn and rotate your tank, to give every inch of the tank a coat of red, then upend it and let it drain for longggggg time- NO PUDDLES. It's not rocket science.
Fri Feb 24, 2012 11:56 am
This is what a Cub gas tank looks like 8 years after being cleaned and sealed with RedKote:
I think that really speaks for itself about flaking ...
Course I had my tank done by a professional and all the rest of my tanks will be done by Maritime Radiator/Gas Tank Repair. Real pros Upgrading a Cub Fuel System
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