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Paint and Body Maintenance & Repair

1023 messages,  Last post on Nov 07, 2009 at 8:59 AM

You are in the Maintenance & Repair Forum. Your Host is mr_shiftright

What is this discussion about? Auto Body, Paint, Coupe, Convertible, Hatchback, Truck, Sedan, Wagon, SUV, Van


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#959 of 1023
Re: paint and swirl marks [bvdj84] by tallman1
Jan 24, 2009 (12:30 pm)
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Replying to: bvdj84 (Jan 24, 2009 12:25 pm)

So perhaps a strong polish will get rid of them?
 
Depends on how deep the scratches are. The stronger the polish, the more clear coat is removed too. Light swirl marks will come out with a mild polish.
#960 of 1023
Re: paint and swirl marks [tallman1] by bvdj84
Jan 24, 2009 (12:33 pm)
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Replying to: tallman1 (Jan 24, 2009 12:30 pm)

Well, what kind of polish do people like? Mothers, Zymol, How do I know what grade of polish it is?
#961 of 1023
Re: paint and swirl marks [bvdj84] by tallman1
Jan 24, 2009 (1:47 pm)
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Replying to: bvdj84 (Jan 24, 2009 12:33 pm)

That's a great question. The place I buy from has four grades, IIRC. There's a link on my CarSpace page. I'm not sure what stores offer but check out some of the car care places on the web and read the tutorials.
 
There are also folks in the biz that read this forum who know more than I do about the various products out there.
#962 of 1023
Re: paint and swirl marks [tallman1] by bigfur
Jan 25, 2009 (10:01 am)
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Replying to: tallman1 (Jan 24, 2009 1:47 pm)

For most fine swirl marks you can use a finish cut. Its a white almost milky looking polish that you can apply by had or in your case id probably use a machine. After using the finish cut you want to go back and use the wax again to protect the paint.
#963 of 1023
Re: paint and swirl marks [bigfur] by Mr_Shiftright HOST
Jan 25, 2009 (10:09 am)
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Replying to: bigfur (Jan 25, 2009 10:01 am)

Hopefully doing this once in a great while is all that will be necessary. No matter how fine the polish, it is still abrasive. Every machine buffing means just a little less topcoat on your car.
#964 of 1023
Re: New to the forum. [tankbeans] by obyone
Jan 25, 2009 (9:23 pm)
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Replying to: tankbeans (Jan 24, 2009 11:38 am)

Once the clear coat starts to peel there isn't much you can do. The paint will usually follow. A repaint would require stripping the paint down to bare metal (big bucks). Silver somehow seems to deteriorate the fastest for some reason. If the bumper is the only part of the car that's peeling I'd do a repaint.
#965 of 1023
Re: paint and swirl marks [bvdj84] by obyone
Jan 25, 2009 (9:28 pm)
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Replying to: bvdj84 (Jan 24, 2009 12:17 pm)

It seems the swirls are impossible to eliminate? Using a regular polisher requires skill to polish a car. That's probably what happened at the dealership as an unskilled fella probably did your car. How to fix you ask?
 
You will need a Porter Cable 7424 dual action polisher. The dual action eliminates the worry of burning the paint. That along with some 3M rubbing compound from Checkers and you will be on your way to swirl free nirvana. Those light swirl removers will not work on something that an unskilled prep person left behind. Been there done that.
#966 of 1023
Re: New to the forum. [obyone] by tankbeans
Jan 26, 2009 (5:21 pm)
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Replying to: obyone (Jan 25, 2009 9:23 pm)

Thanks for the tip. Luckily it's only the bumper. There are a few minor dings on the hood and doors, but the paint isn't peeling luckily.
 
I've been thinking about bringing it to the local tech college to have them do it. All I'd pay for would be materials. Quality about the same as a shop, but a lot cheaper, they have some really good professionals as teachers.
#967 of 1023
Re: New to the forum. [tankbeans] by bigfur
Jan 27, 2009 (3:21 pm)
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Replying to: tankbeans (Jan 26, 2009 5:21 pm)

WHOA...slow down there obyne. At this point using the white final cut will be enough to get swirl marks out. 3M rubbing compound can very easily burn thru the clear coat and require a repaint of the panel. I would be very very careful of the rubbing compound unless you have experience with using it. Final cut is more forgiving and will clear up swirl marks. Rubbing compound eliminates larger scratches but leaves the swirl marks. General rule of thumb for paint finishes.
1. Rubbing compound (usually done after car is painted)
2. Finish cut.
3. Race Glaze
 
Once again i do not recommend using rubbing compound on paint if you are not used to using it. I personally have burned thru atleast two clear coats at the body shop i used to work at. (and yes the painter was P.O.ed at me)
#968 of 1023
Re: New to the forum. [bigfur] by obyone
Feb 07, 2009 (2:09 pm)
Reply

Replying to: bigfur (Jan 27, 2009 3:21 pm)

Were you using a Porter Cable 7424 when you burned through the clear coat?
 
I've used that formula on my '05 Titan and '02 Denali when the dealer prep guys left scratches in the paint by dry wiping it.
 
I've recently used it on a '99 black C5 that I bought used from a guy who used to dry wipe his car everyday with a chamois. Needless to say there were a ton of scratches in the black paint more like spider webbing. The only way to remove 9 years of dry wiping was the rubbing compound. All those "light" swirl removers did nothing. Course the swirl marks left on tankbeans car could already be through the clearcoat. If a compound was used with a buffer there would be a good chance that burn through already exists.
 
The porter cable orbital buffer is designed not to burn through any clear coat unless you attach sandpaper to it. I also stated 3M and not the old turtle wax rubbing compound (one is liquid the other is paste). By the way if you attached sandpaper to the porter cable, it is a very good way to refinish marble.

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