The Stovebolt Site Forums The Shop Area Paint and Body Shop So which is better in your opinion?

So I have carefully read a lot of posts here regarding frame prep, and am wondering what method is the best for proper rust-deterrence? I guess the options are POR 15 or sandblast, primer and paint (like I did with my newer Chev, but it's not proving to be 100 per cent.. then again the painter could have been awful)
What would you all recommend at the end of the day? And when using POR 15, do you sandblast at all, or just slap it on the frame and voila?

Sorry for all the questions, this is definitely learning in motion here!

The POR15 can says to brush it on to sandblasted or rusty metal. I have used it on sandblasted metal and it adheres very well. On my frame I sandblasted, sprayed Eastwood Epoxy Primer, then Chassis Black over that. If the Chassis black chips you can just sand and spray on a little more and it doesn't cost as much as POR15. The epoxy is tough as nails.

Good luck.

...por15 is tough as nails. Like ALL remedies the metal must be clean of grease ect or nothing is going to stay on it. I had to sand off some por15 to weld a powersteering bracket to the frame and I'm telling you, that is some tough stuff.

You can also paint over the por15 if you like. If its exposed to the sun you will have to as it does not repel UV....but the chassis don't see sunlight!
I've cleaned and painted one chassis and sand blasted and por15 another. The por15 is "my" choice.

I think one of the most important things is coverage. I sometimes spray, but before I spray I use a brush and paint around nuts,bolts,rivets, and places spray can't get to.
Use what you want, but I have yet to see someone post the outcome after 20 years when they used a high dollar paint such as POR 15.

I have no thoughts against that type of paint except for the cost.
Back in the 70's I painted the frame and suspension of one of my cars with 2 coats red primer, and 2 coats enamel.
I was using Rustoleum and that paint is still on the frame.

I recently primed a frame with Chassis Saver and covered that with Rusto Black Satin. I expect it to go the distance, but I'll have to wait about 15 years to know for sure.

Dan

Glasman, I agree with what you say. I painted the 37 chassis about 13 years ago with grey primer, came back with the Rustoleum enamel and the chassis still looks great....but my 37 stays in side most of the time.
On the other hand, concerning cost, you can use up 25 or 30 bucks in primer/paint cans and even more depending on the actual brand. I can also buy a quart of the POR15 for $40 bucks so I really don't see the cost savings. I like the POR15 simply because its so tough......maybe I just got an exceptional coat on the chassis?! Oh, your idea about painting around bolts & rivets ect is a good idea for everyone to remember. Thanks for you comments.
I will only be 82 years old in 20 more years so I'll let you know how it last

my brother and i had a pair of trucks 20 years ago,mine a 52 chev, his a 52 fargo. we both painted our frames with tremclad(rustoleum)i sold my truck and he still has his chassis at my uncles farm, it has been sitting out in the weather since then and still looks great,although that chassis never saw the road the paint still weathered excellent! most classic trucks these days dont see any winters anyway, so i will use tremclad/rusto on my new project.

thank you all!
I figure I might as well just sandblast, primer and paint as I did with my newer Chev.

Thanks for you input, I am truly trying to save money so this is the cheapest option
Cheers