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Fuel tank cleaners.

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Old Jul 22, 2025 | 02:29 AM
  #1  
Furbody's Avatar
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Joined: Jul 2025
Posts: 147
From: Mtn Home Ar.
Fuel tank cleaners.

Looking for advice on a fuel tank cleaner, I have a black tar substance in the bottom of my tank.
Old Jul 22, 2025 | 02:36 AM
  #2  
Olds64's Avatar
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Joined: Jul 2007
Posts: 18,225
From: Edmond, OK
I used the POR-15 kit in the fuel tank of my 71 98. It works great!

https://www.summitracing.com/parts/poi-49239

Make sure you wear PPE when you use the kit. It's pretty nasty stuff.
Old Jul 22, 2025 | 08:50 AM
  #3  
redoldsman's Avatar
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Joined: Dec 2006
Posts: 10,817
From: Rowlett, TX
Hirsch makes a kit that has the cleaner, etcher and sealer. If you have a radiator shop (they are getting hard to find) they can boil the tank out for you and some of them will even put a liner in it.
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