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How do you Rust Proof?

  • Oil Spray at Home

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  • Professionally Done Spray

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  • Rubberized Spray

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  • Electronic Rustproofing

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Discussion Starter · #1 ·
I currently have an '02 Impala, and much like my '97 Lumina, I bought it well used with rust starting already, and in essentially the exact same places. I'm looking to (soon) get a much newer car and as close to rust free as possible, and started looking into rust proofing ideas.

Originally, I thought of getting the undercoating spray gun from Princess Auto (Harbour Freight essentially in Canada) since I do my own oil changes and although not the best product to use, it's also (sorta) free and I can apply myself every Fall. My Grandfather use to do that every summer, spray it down then drive up/down a dusty back road so that the dust would get onto the oil and keep it from dripping on the driveway. Car lasted a long time, but old cars ('50s) vs new cars.

I also thought of buying Rubberized Rockerguard or Rubberized Asphalt and basically, soon as I get the car get the wheels off, the plastic cowl inside out and spray inside all the panel areas, wheel wells, rocker guard, etc... where my last 2 cars had issues.

Also, the yearly professional Corrosion Free treatment which is probably best but also pricey.

Wasn't sure if I did the rubber spray inside the problem areas, how that would work/react with oil being sprayed over top... break down the rubber? drip off?

I also briefly looked at those electronic rust proofing devices and seem like bunk to me.

So... figured post here in general, and see what you guys do, if anything... especially those (like me) that get bad winters and lots of salt on roads etc...
 

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I really want to rust proof my '04, I just don't know how I'm gonna go about getting rid of all the rust already on my car. It's not like it's that bad but I guess i'll just leave it to the pros and pay the money to have the whole car done at a body shop. I've been waiting for someone to say something on this thread for that very reason.
 

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Back in the old days, you had to rustproof a car, this being Michigan. I bought several new cars in the 80's and 90's and I had all of them rustproofed by the best shop I could find.

Then the cars started to get built better; I think they use actually use galvanized high carbon steel, at least on the lower panels. I don't know how prevalent that is, but I heard that they were doing this at some point on some vehicles.

I noticed you don't see rustproofing places anymore, and I never hear anybody getting this done anymore; I don't even know if there is anywhere doing this at around here.

When I bought my '16 this summer, it went thru my head that I used to always get this done, but I put it out of my head thinking the ritual has now been obsoleted.

I'm going to check around the area and see if anyone even offers the service anymore.

I like how it deadens the sound and gives a much better feel for NVH, but as far as rust prevention goes, cars don't seem to rust so bad like they did 20-30 years ago.

Thank God.
 

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Tried to post this but it didn't go through... I'm going to try to reach out to another forum and see if I can get some opinions on this, I'll let you know what I find out.
 

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Currently I am trying Chassis Saver on my badly rusted rockers. I still need to put a couple of coats on before the salt flies but so far it isn't too bad. Surface prep is everything. Chassis Saver goes on right over where the loose rust has been scraped away. It remains slightly flexible even after it cures which is key to its longevity. If you use this, do NOT get it on anything you want to keep and if it gets on skin it takes weeks to come off. Not even gas works. Don't ask how I know :)
 

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Discussion Starter · #8 ·
I debated one of those $30 oil spray guns since I now have an air compressor which is what started some searching... read a few articles about how the metal panels were better and treated so rust proofing is not needed anymore etc... but that said, I have a 6" patch rusting through on the rear-passenger panel. My '97 Lumina drove just fine, interior was mint, and drove great to the auto wreckers because the rockers and panels were just gone and no one in Canada had replacements anymore.

Saving up so hopefully next year I can get a new(er) car. Usually I get a car quickly because the previous one finally died, this time saving up specifically for a car and making sure 0 rust on the panels and such. I look after my cars very well, but always get cars that are old and rusty to begin with. Would be nice to get one rust-free and protect it best I can.

My Lumina was 2nd hand, bought for $700 and lasted 7yrs / 320,000km... again, if not for the rust, I'd still have it.

On a side note... I had a '47 Dodge I wanted to restore for years, but finally sold it because cost too much. But, panels, rockers, body was totally rust free. Floors... well, I guess holes are rust free. :)
 

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Personally, I believe in oil spray. Not old waste oil, because it breaks down and gets acidic. You can buy a 5 litre jug at Canadian tire or walmart for $15-$20 bucks. Cheap protection. In my younger days ,I would buy the spray rubberize coating, but once that gets a crack or chip, water will seep in and stay underneath. Id go oil spray. Cheap and effective.
 
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