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Old 02-14-2013, 02:53 PM
Marrs Marrs is offline
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Join Date: Oct 2011
Location: PDX->OR->USA
Posts: 377
Originally Posted by harryskater View Post
I cut a big opening in my tank.
I just was not convinced these fluids you can buy to restore the inside of the tank would work, so i took an angle grinder to it, after draining and filling with water. I cut a 300mm square hole, I then got inside with scotch brite and good old elbow grease and cleaned all the grime out and went over it again and again with fresh petrol until i could see my reflection. i also found alot of grime build up in the flow and return in/outlets in the tank. They were completely blocked so i used a small diameter rod, i think stainless welding wire to free it up then went through it with a long pipe cleaner then had a competent welder seal the hole up and check it for leaks.
I think this is the best way to be 100% sure the tank will not give you any more problems.
Did you do anything to seal the freshly exposed surfaces inside? Won't it just corrode again if not?
1962 220SE W111 Coupe, 2nd owner

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