Dealing with Severe Oxidation.

T

treacherousdog

New member
Hey,



I've got a black 1984 Porsche 944 with some severe oxidation issues. I've tried all sorts of 'cheap' store bought products on it with not much luck. I tried turtle wax 'Color Back' which helped a little. I've also applied some coats of 'Nu-Finish' as well which brought out the cars shine a lot but nothing really had any effect on the really oxidized areas. Mainly the front bumper and roof.



I've tried searching the forums and I've heard some people using the acronym of DACP to remove oxidation but I don't know what that is. Any advice? The reality is this car needs to be repainted but until I can find the time to take it apart and strip it I need to make it look as good as it can get.
 
There was a thread back in the summer where one of the members of this forum removed oxidation from a truck using a PC and Klasse AIO. The pictures were incredible. Maybe someone can provide a link to the thread. Good luck.
 
Einszett Ultra works wonders. Go out the the Einszett North America web site and look at the paint restoration they did there. I believe its www.einszettna.com On the left hand of the home page, look under photos Restoration.
 
Feel free to try all the polishes you want as long as you realize it will only act as a sort of life support system. Personally I wouldn't go too overboard buying and trying polishes. I'd recommend something like a fine cut cleaner from either 3M or Meguiars (avail at most auto parts stores) followed up with a swirl mark remover from the same mfrs and bought at the same places. Right there is about $20 in product. Protect it with whatever wax you have on hand. Just do the best you can until you can afford a new paint job.
 
treacherousdog, I don't know how you would assess your skill/comfort level in terms of using polishes and a PC/rotary. When I got into this addiction and was very new to PC use, I saw Jngrbrdman's "Behold the Power of AIO" thread, and it motivated me to try AIO on my (also severely oxidized) '93 Benz. I was amazed at how well it worked. It turned out, I really did not need a mechanically-abrasive polish, I just needed AIO to cut thru the oxidation. Mind you, it didn't work for me quite as easily as Jngrbrdman described. I described my application-by-hand experience in this thread. Since then, I've gotten the impression that a PC might have made my life a little easier.



But ... long story short ... if you don't have a PC or don't feel completely confident of your skills with it: Give AIO a try -- after a good wash and clay-session.



Holler back with more questions.



P.S. I sense there aren't a lot of us with older cars. Have you put any pix of your '84 Porsche in the gallery yet? (And, if not, why not? :D )
 
I've also seen Jngrbrdman's "Behold the Power of AIO" thread and there's no arguing his results, but as Lynn eluded to, removing oxidation with AIO by hand can become a truly spiritual experience ... expect to "feel the burn" in your triceps.



I've found MPPC to be a much easier product to use by hand.
 
NHBFAN said:
I've also seen Jngrbrdman's "Behold the Power of AIO" thread and there's no arguing his results, but as Lynn eluded to, removing oxidation with AIO by hand can become a truly spiritual experience ... expect to "feel the burn" in your triceps.
Click to expand...

:lol Great way to put it, NHBFAN. A truly "spiritual experience" in my triceps! :rofl
 
Here are some pics.. this is why it IS NOT in the gallery ;)



I really need to strip this sucka.. does anyone know of any forums like autopia that deal with bodywork and such? I'm probably going to strip and redo the bondo then take it somewhere else to have the preprepped car shot... not sure if i should do the color sanding myself considering i've never odne that before.



IMG_1097.jpg




IMG_1100.jpg




You can see the rest of the photos with more detail here:

http://www.donttrustthisguy.com/944pics/



So yeah all of that cracking is bondo goine bad. The roof is extremely oxidized as well as the front bumper which is already missing half of it's paint due to paint chipping.



The worse part is the awfule beige / yellow coloring most apparent on the hood. I'm not sure hwat it is as the clearcoat above it is still intact.
 
First of all, welcome to Autopia. :welcome



Wow, that's a pretty serious problem. The last time I saw somthing like that, it kept coming back and the owner had to get it repainted because it was some kind of paint defect....



I think Bret offered great advice, as Fine Cut (or DACP) is going to be easier to find than AIO, and is appropriately strong enough to use by HAND. Keep in mind that Jngr's results came by using a cutting pad with his PC. I've tried vigorously rubbing AIO by hand before and I didn't find it a very efficient way to tackle a problem.
 
Get the opinions of the pros here but that doesn't look like oxidation. That looks more severe than oxidation. I would say clear coat failure but I didn't think Porsche used a clear coat on black or red in the 80's.
 
Well, I can't help you out with the paint work. However, as a fellow 944 owner myself.....may I be so bold as to recommend that you check out www.rennlist.com (924/944 board) for repair threads and general questions regarding the mechanic aspect of the car.
 
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