C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette

Eastwood internal frame coating?

 
Old 02-13-2019, 02:17 PM
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carriljc
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Default Eastwood internal frame coating?

Any feedback from users of this product? Considering it since I'm going to be underneath the care here in the next couple of weeks.

https://www.eastwood.com/eastwood-in...z-aerosol.html

I read the reviews on their website, but I trust this forum more.

Last edited by carriljc; 02-13-2019 at 02:18 PM.
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Old 02-13-2019, 03:13 PM
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I have not used it on my 78 C3 but have on my daughter's 01 Grand Prix which now has 215,000 Miles on the OEM tranny and OEM 3.1 V6. The W body cars are notorious for the rocker panels rusting out in high salt areas of the country and have been treating the rockers for years with other products every year to limit the rust issue. About 2 years ago, I purchased the eastwood Internal Frame Coating, drilled a few holes to internal spray the rusting inside rocker panels with the included flex hose with wide spray nossel and HOLY SMOKES, that stuff is the BOMB!. Stopped the rust dead! I highly recommend it....That stuff is like titanium once it dries. I spilled some on my driveway which is ashphalt and even after a few years of weather, it STILL is in the same place with zero peeling or flaking..STEEL.

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Old 02-13-2019, 06:05 PM
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I restored my 68 frame and used this product to protect the inside.
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Old 02-14-2019, 10:40 AM
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I used it on the frame for my 71 before it was powder coated. The stuff works good and the hose extension with nozzle really covers well. The biggest thing to watch is other open holes in the frame. I taped up these holes because the stuff will spray out of them when using it.
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Old 02-14-2019, 10:53 AM
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May be good for steel bodied cars to get where daylight will never see it.
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Old 02-14-2019, 02:22 PM
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I used it on my 1980 frame and I taped a stiff wire to the flexible line so I could guide it up the frame without it snagging areas in the frame and then slowly draw it to myself when spraying.

I have no idea if it will help any because if there is some surface rust inside the frame and you then put paint over top of that, I doubt whether you are doing anything good.

Richard
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Old 02-14-2019, 02:53 PM
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Originally Posted by lakerider57 View Post
I used it on my 1980 frame and I taped a stiff wire to the flexible line so I could guide it up the frame without it snagging areas in the frame and then slowly draw it to myself when spraying.

I have no idea if it will help any because if there is some surface rust inside the frame and you then put paint over top of that, I doubt whether you are doing anything good.

Richard
Actually not quite correct. Steel rusts in the presence of water and oxygen, not with either alone. Once the rust starts, water and oxygen are required for the process to continue. If you eliminate either water or oxygen from interacting with the rusting steel, the process will stop. This process is the reason that rust inhibitors work by being able to stick to rust which paint will not and only will flake off over time. When you coat the surfaces you not only prevent further water interaction but you deny the steel oxygen as well...The reason exposed metal lasts so long in the desert even after it starts to rust is for the same reason: Without continued exposure to water the rust process is VERY slow and the reason old cars look remarkably intact in dry environments over several decades......

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Old 02-15-2019, 04:44 AM
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[QUOTE=Sigforty;1598877033]I used it on the frame for my 71 before it was powder coated. The stuff works good and the hose extension with nozzle really covers well. The biggest thing to watch is other open holes in the frame. I taped up these holes because the stuff will spray o



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Old 02-15-2019, 02:21 PM
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Ok, ordered a couple of cans in GREEN. Got the pointer about using a solid wire to hold the tube (a welding rod sounds good?), and taping up the holes, and "pulling" towards me as I spray. I guess it can't hurt.

Ordered 2 aerosol cans. I also asked Eastwood if they sold this in Cans of liquid so I could spray with my own equipment. Guess we'll see what they say.
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Old 02-16-2019, 11:35 AM
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I purchased several cans and plan to do the same. Had to replace both the No. 1 and 4 Body Mount supports on both sides of the frame due to rust. The frame itself was in good shape. Used POR products for the outer frame and did 2 cycles of spraying Marine Clean into the box frame followed by Metal Prep after drying. Will be using the Eastwood spray to coat the internal frame after the OAT warms up - live in the northeast.

Hopefully that will keep from having to do this again in my life time...
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Old 02-17-2019, 01:20 AM
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I used it on part of my car. Then I realized it would take several cans the stuff isn't cheap. I bought some Rustoleum black rust preventive paint. I put it into a chemical weed sprayer and thinned it out. Bought 2 quarts and thinned them and did the whole frame. I sprayed it in until it ran out of the holes. Then I bought one of those cameras that you can slide up into your frame and got great coverage. These cars will never see real water anymore so I guess it will last another 50 years.
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Old 02-17-2019, 11:06 AM
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Thanks for that. I guess I'll use my 2 expensive aerosol cans and if I need more then I'll get some Rustoleum rust preventative paint. I wrote to Eastwood and asked them if I could buy this in cans so I could spray with my own equipment and they responded that it was only available in those aerosol cans.
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Old 02-17-2019, 01:02 PM
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Originally Posted by carriljc View Post
Thanks for that. I guess I'll use my 2 expensive aerosol cans and if I need more then I'll get some Rustoleum rust preventative paint. I wrote to Eastwood and asked them if I could buy this in cans so I could spray with my own equipment and they responded that it was only available in those aerosol cans.

it took me almost one can to do the rear end crossmember.
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Old 02-19-2019, 11:04 AM
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I had my 77 frame acid dipped and epoxy primed. I used eastwood internal coating for every channel and rail. I taped up every hole I could fine but in the end stuff still ran out. I just cleaned it up after it dried and then applied a second coat of epoxy primer to the frame. That was 6 years ago and no rust I can find.
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Old 02-19-2019, 11:08 AM
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Originally Posted by oneshot View Post
I had my 77 frame acid dipped and epoxy primed. I used eastwood internal coating for every channel and rail. I taped up every hole I could fine but in the end stuff still ran out. I just cleaned it up after it dried and then applied a second coat of epoxy primer to the frame. That was 6 years ago and no rust I can find.
My guess is we will all be gone before your frame EVER rust out................with that type of rust prevention............
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Old 02-20-2019, 07:09 PM
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For what this is worth:

I used to spray parts for friend of mine who made parts for the Dept of Defense for military vehicles.

I was at the shop one day when the federal inspector was inspecting what I shot the night before. He was checking on mil thickness and other stuff. One of the tools he had was a tool that when it was attached to the part. IF a spark from the wand that he put up near it would create spark it would fail. Because like he told me that they do not want ANY pathway for the coating to beign to fail.

He then told me that automotive paint is some of the crappiest paint out there in regards to this specific test. He took his tool and hooked it up to my car and when he ran the wand near my paint...it was sparking like cray. AND he said that each spark was a path to where the metal was exposed on a microscopic level. I was shocked and amazed.

So...knowing that the special primers and paints I was using when I shot this stuff. I know that there are products that can seal off metal so not air/water can get to it.

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