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It can get into the structural areas of the frame and cause the car to lose a lot of strength.
I once worked on a Toyota Landcruiser, which has an encapsulated frame, VERY rigid, and rust had eaten away at least 50% of the steel inside of the frame where there is very little paint/protective coating to repel rust. The vehicle had been shipped from upstate New York, and was basically a total. It would have needed a frame swap to be safe to drive.
The other thing was that ALL the bolts/fasteners were frozen with rust, you couldn't even change a shock absorber without having to snap off all the bolts. Routine maintenance alone would have been a nightmare.
You mean "cover" the rust issues. You can state that till you're blue in the face, but you can't stop corrosion once it's started. Unless of course, you are proposing the OP grab a grinder and bring the undercarriage down to bare, clean metal, prime it, paint it, and THEN oil spray it
Not about restoring a car to new condition. Just stopping further rust.
Same problem right now with a 13 year old Suburban from WI now located in TX and the rust is taking a toll on the front end, which is susceptible to issues due to the weight of the vehicle anyway. Based on the age and knowing there is challenges ahead I highly suggest you plan on a replacement sooner rather than later or you may be walking.
Not about restoring a car to new condition. Just stopping further rust.
It won't stop further rust. Once it starts it keeps going until you grind it out. You can make your false statements all day long and they won't be any truer. Do you by chance sell this magical snake oil and you believe your own press?
Mechanics in the northeast are used to seeing it on old cars, probably a shock for many of them down south. I'm actually looking at cars down in that area to bring back here and saw one with underbody that looked like new, that car had 120K on it.
There is one product I saw on the market and I'm wondering how well it works. It chemically alters the rust to help halt the corrosion. Then you have to prime or paint it. If this actually works it would certainly be the best thing to do becsue you'll be able to get into all those nooks and crannies. If you had a low mileage vehicle might be worth researching.
Simply painting it or covering it up with undercoating will help a little but it's just band aid. Those products are meant to be applied before it starts rusting.
Mechanics in the northeast are used to seeing it on old cars, probably a shock for many of them down south. I'm actually looking at cars down in that area to bring back here and saw one with underbody that looked like new, that car had 120K on it.
There is one product I saw on the market and I'm wondering how well it works. It chemically alters the rust to help halt the corrosion. Then you have to prime or paint it. If this actually works it would certainly be the best thing to do becsue you'll be able to get into all those nooks and crannies. If you had a low mileage vehicle might be worth researching.
Simply painting it or covering it up with undercoating will help a little but it's just band aid. Those products are meant to be applied before it starts rusting.
I don't remember, if I recall correctly it changes it back into a metal. It's not the original steel but nonetheless a metal.
That said you have car with 200K on it. Rust or no rust it's probably going soon, run it until it dies or they won't inspect it anymore. Like I said I don't know how well this process works but if I was going to do it I'd research it some more and it would have to be lower mileage car with minor rust.
I've had to deal with rust constantly with my trucks between the salt on the roads and sulfur water from the coal. It's always a losing battle in the end. You can only hope to slow it down.
Not about restoring a car to new condition. Just stopping further rust.
Which is fine if you just want to look at it in your garage. It sounds like the structural integrity of the vehicle has been compromised already, and it really is reaching the end of its useful life.
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