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My truck sits alot, 2006 w/ 23,000 mile, so I wanted to do some preventative maintenance on the wheel wells to stop the infamous Ford rust out. I was going to clean them up and then put on a couple layers of undercoating. My son came up with the idea of painting them with POR15. I'm glad to see he's using his head for more then a hat rack. Has anyone done anything along these lines?
Hey,
I live right by the ocean and can see salt water spots on my truck so I was wanting to protect it.
I used T9 by Boeshield on my boat motors so now I have been putting it on my truck to the springs and such too.
It was developed by Boeing to protect aircraft. Works great because it last a long time (months) and is not harmful to paint.
It is spendy at 9 bucks or more per bottle. I get it from my local boating supply.
I might get flamed for this but something a guy I used to work with told me I just recently tried. Seems an older guy he knew had an older Chebby pickup, the years they rusted out alot. This guy would spray used motor oil in his wheelwells, inside the doors, inside the tailgate, anywhere he could spray it to prevent rust. He claimed the truck didn't have any rust where he applied it. Think about it. An old 85 CJ7 I fixed up had no rust on the front framerails where the oil had leaked and coated the frame. So after the last oil change, I put some warm used oil in a 1 gallon industrial pump-type sprayer and laid under my truck and gave the inside of the framerails a light coat, along with the inner lips of the wheelwells and in the side holes of the tailgate. I will give it another shot before the winter hits also. I figured what do I have to lose? Cost? Zero, zilch, nada. Alright, go ahead and let me have it...
I don't know how a thin layer of oil works, but I'll tell you my story.
I'm from Europe, from a country where we had 4 season ( now I live in Fl ), and at winter the roads were covered with salt. We usually had to have some body work done in like a 2 years cycle, the rust was just coming out, no matter what we did.. I've had a car - old, and one day the rear main seal ( really weird like a rope - asbestos ) popped out, and the oil was pouring under. I was way to lazy to fix it, so I was just filling it with oil. It was losing like 2-3 gallons in 100 miles. I drove it for a month like that.
After fixing it I sold the car, and years later I've met the "new" owner, and he said he never had to touch the body, and probably never will have to - the whole bottom was covered really heavy with oil.....
So, I believe in it.