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Fellas I know I might be opening myself up here but I just had my truck (53) completely sandblasted to metal and then shot completely in dp 90. Did I mess up using this primer. I only plan to leave it in primer for most of its use???? Thanks for the input. DJ
No, if you plan on leaving it primer it doesn't make a whole heckuva lot of difference. Still watch for areas of fade and rust as time passes though. Nothing is forever!
It is my understanding that primer is what its name implies, just primer. Over time you will experience surface rust since primer is porous, and sooner if you drive it in foul weather. They sell a "primer look" paint that would give you the same look but much better long term protection. Larry
I'm not familiar with the DP line, but if it is an epoxy primer you should be ok for a while but primers, any kind, aren't UV tolerant and will eventually break down if not protected with a topcoat.
It's also my understanding that primers are prone to moisture absorbtion/retention, so you do not want to subject it to the weather for too long. When I start laying the primer epoxy on my f1 frame it will be safe in the garage, but even then I plan on painting it pretty soon after to avoid any rust reapperance issues.
Just a note, I had a fender bender with my daily driver over a year and half ago. I pulled the dent out and filled in with bondo and then epoxy primered it. I haven't been able to paint it yet because I just haven't had the money or time. Anyway, the primer looks the same after all this time and I live in Wisconsin where you can get a 100 degree temperature difference throughout the year, not to mention all of the rain, snow and road salt we use up here. Epoxy primer is not like traditional sand and fill primer, it doesn't absorb moisture like the old type of primer. I don't know if I would still use it as a top coat though.
I guess I might as well check in on this one. I am of the opinion that modern epoxy primers seal better than 50 year old lacquer paints did. You could probably get by with it for quite some time. It probably doesn't offer the long term UV protection though as already stated. I think the suggested primer look paint as a topcoat is probably good advice though. You could also add some flattening agent to black lacquer paint and have a nice satin primer look. That would protect as least as well as stock when put over epoxy. Black laquer is cheap, can practically be applied with a windex bottle, and will block off fairly easy down the road should you choose to put on some shine.
In my 56 I am useing DP90 as my firewall and engine compartment paint. Since it is epoxy I am not worried about top coating it. It gives a real nice look, a little flatter than the regular type of chassis paint but very durable. I have heard of other people doing this without anmy problems so I thought I would give it a try.
Dave
I have one concern and that is that I got my truck home and all looked great and you all saw the pictures but.........then it rained the next night and the black is completelt spot stained from top to bottom. I dont know if this will clear up or what but as far as I can tell right now I will have to completly re shoot the whole truck...signed very concerned in washington
Was the paint cured? Mine is also painted with DP-90. After I had it painted, we cooked it for about an hour. I had to drive her to work later in the day, and the moisture in the air made drip marks as well. I was a lil upset, but in the morning it looked fine. Hope same is for you, good luck!
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