Frame Paint
FTE Legend
Joined: Nov 2015
Posts: 30,935
Likes: 4,124
From: Angier, NC
I used black paint I got at Tractor Supply
think it is their brand Majestic and you can get a hardener if you want.
Because I had my truck all apart I used a spray gun to paint the frame, rear axle and some cross braces.
The front suspension I thought I was going to use was also sprayed but had to use a different setup and used a brush on that.
I also used brush on the bottom side of the bed floor.
Dave - - - -
think it is their brand Majestic and you can get a hardener if you want.
Because I had my truck all apart I used a spray gun to paint the frame, rear axle and some cross braces.
The front suspension I thought I was going to use was also sprayed but had to use a different setup and used a brush on that.
I also used brush on the bottom side of the bed floor.
Dave - - - -
Cross-Country
Joined: Sep 2015
Posts: 60
Likes: 0
From: Waxahachie TX
I compared the RustOleum to the POR side by side and overlapped. There is no difference that can be detected visibly or with scratching with various items. The exception I noticed is the POR was thinned and the Rust Oleum could be thinned. The BIG difference is the Rustoleum is half the price before you thin it ti spray. I have used the Tractor Supply paint and it is quality!! It does take it a while to cure so it is easy to damage the finish for a while. Hardware stores carry a hardener JAPAN Hardner the works in oil base enamels. It will discolor light colors some. Do not pour any mixed paint back in the can. It will set.
Freshman User
Joined: Sep 2018
Posts: 34
Likes: 2
I have always had great luck using just straight satin finish Rustoleum in a gallon jug then mixing it to spec with the correct amount of hardener/thinner depending on application through my paint gun. I've used Rustoleum on tons of chassis parts over the years and it comes out great and seems to last a while too. But one cannot stress enough the amount of prep work to get quality results. I have also went super cheap on some trucks over the years to where I would take a steam genie and degreaser and wash the undercarriage and axles off really well. Then I would cover the entire truck with a plastic sheet, take off the tires and wheels, and tape the plastic sheet to the car around the fender wells and go to painting with spray cans of rustoleum and got good results that way too.
Fleet Mechanic
Joined: Dec 2007
Posts: 1,512
Likes: 340
From: Wildwood Pa
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Lead Driver
Joined: Apr 2002
Posts: 5,338
Likes: 1,248
I have used Rustoleum and Hammerite on my frame. Both are primer and paint in one. Can be sprayed on rusty surfaces with minimal prep. The better the prep job, the better the results. Also many light coats of paint are better than fewer thick coats. I've use both spray and brush.
I've also used Fluid Film on the frame and axles. It's not paint, but a lanolin based penetrant. Stops rust and continues to remove rust right to the base metal. Then prevents further rust. Comes in gallon cans and can be brushed or sprayed on...also comes in aerosol cans. Turns rusty frames and axles to a dark color and actually looks pretty good. I use it on the leaf springs too. Gets between the leafs and stops rust. Amazing stuff and cheap. If you want to paint after it de-rusts the metal it will wash off with soap and water. It's so cheap and easy to use you might decide not to paint some things. I got a gallon can of it, brush it on any where you see rust. Get a few aerosol cans to coat places you can't reach with a brush.
I've also used Fluid Film on the frame and axles. It's not paint, but a lanolin based penetrant. Stops rust and continues to remove rust right to the base metal. Then prevents further rust. Comes in gallon cans and can be brushed or sprayed on...also comes in aerosol cans. Turns rusty frames and axles to a dark color and actually looks pretty good. I use it on the leaf springs too. Gets between the leafs and stops rust. Amazing stuff and cheap. If you want to paint after it de-rusts the metal it will wash off with soap and water. It's so cheap and easy to use you might decide not to paint some things. I got a gallon can of it, brush it on any where you see rust. Get a few aerosol cans to coat places you can't reach with a brush.
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Freshman User
Joined: Feb 2011
Posts: 44
Likes: 0
I used Tremclad over 25 years ago on a truck frame and it still looks great. I think it's Rustoleum in the States. I know a guy who uses 3/4 flat black with 1/4 gloss Tremclad and it's a perfect match for chassis black paint.
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