I'm gonna go pick up my supplies to coat my frame and such with Por 15. How much do I need to coat the back half of a '77? And any tips for applying it? Should I spray it or brush it on? Have access to spray equipment so I'd prefer that.

 

Brush it on. It will even out. Make sure you follow all of the directions exactly as they are posted. Start with a quart. It goes a long way. Keep it off your skin, wear nitrile gloves. It does not come off. Get a bottle of their remover/thinner.

 

what he said x2

 

You can spray it but, the area should be very well ventilated and wear a mask. I've found that lacquer thinner will work ok for clean up, use their product for spraying. I used less than a quart on our 70 frame - cab back- springs and differential housing.Brushing it on - it does flow real well. Gloves are a must and make sure your hands are free of that stuff before going to the bathroom.

 

I had a great line, but in retrospect, it would probably get me suspended

 

It does have to "wear off".

 

Why waste the money ? It isn't any better than Rustoleum.

 

POR 15 isn't perfect, but it is much better than Rustoleum. I used Rustoleum on my frame. 6 months later I had to redo all of the work including re-sand blasting, as the Rustoleum peeled off. I applied POR 15. That was 6 yearsw ago. It is still there.

I accidentally set a can of POR 15 on my garage floor, that was leaking. Came back the next day and couldn't remove it. It was there for quite awhile. Ended up having to use a sledge hammer to remove it.

 

I hear it will line your lungs so x2 with either brushing it on or using a quality respirator if you spray it.

 

just make sure you use a top coat over any por 15 that will be exposed to the sun.

 

I used POR-15 the first time on a Datsun Z car I played with ten years ago. The current owner does not have a garage and it still shows no signs of rust. Try that with your Rustoleum.
Yes, on any part that sees the sun, apply a top coat of paint to protect from fading.

 

I disagree, I've had better luck with Rustoleum & it is a lot cheeper. I've used that expensive crap on frames, etc & like Rustoleum it (didn't) peel off but is dulls out and chipps easily. IMO there is no justification as far as I'm concerened to pay that much for a product that isn't any better. You all can brag it up till the cows come home. I'll never change my opinion of it & I won't recomend it to anyone for anything, not even a garage floor.

 

Great thing about this country is that we can agree to disagree. Look at my original response, As I stated, POR 15 is not without its problems. Kinda depends on what you are doing with your truck. However, If I was going to go through the process of taking a frame down to bare steel again, I wouldn't ever use Rustoleum. I probably wouldn't use POR 15 either, but the product that I would use would be a whole lot more expensive than POR 15. The original poster wasn't looking for opinions on the various products, he was asking how to apply POR 15.

 

I agree.
We did the frame on my brother f250 2 years ago. Used a needle scaler to take the rust off, then a heat pressure washer to"clean" the frame, then the marine clean, then brushed on the POR15. In less than 6 months there were brown speckels coming thru the POR15. Granted this truck is driven in the salt belt(NJ) but i have done paint jobs(rustolium) on less prepared frames and they lasted ALOT longer in the same conditions. with only $20 bucks in material and not $200+ like the POR 15

I am going to try Chassis Saver next time, hopefully that works better than POR 15

 

Make sure you wear the gloves....I found out the hard way. Also make sure there is NO paint in the top of the can when you put the lid on or it will not come back off, At least not without destroying the can.