Need some help guys.....(painting a bumper) - Hot Rod Forum : Hotrodders Bulletin Board
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Old 01-03-2007, 08:45 PM
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Need some help guys.....(painting a bumper)

I am atempting to paint a bumper.I own a body shop,and tend to do high end work,so we can skip all the basics.The bumper I am working on is off of a 2006 or 2007 Porsche GT3,and it is white.I have done all my repair work,and all went as well as can be expected.The problem is this...........


I have preped about a million bumpers in my day,but this thing is something else.I used the DA with 600 on all the large areas,and all is well,then I scuffed it up with 3M red scotchbrite,and RM scuffing paste,wet, 3 times to make double sure I got everything.Dryed it off,and it hardly looks like it has been touched.I know it has Glasurit on it from the factory,but man....whats the deal?

Any help would be geat!Thanks in advance!

Evilone

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Old 01-03-2007, 08:49 PM
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just wetsand it with 600.
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Old 01-03-2007, 09:57 PM
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A red scotchbrite and comet cleanser wet will do the trick. Will you be sealing the whole cover then bc or bc only? or blending the color then clearing complete? The comet and red scotchbrite may be to aggresive depending on which proceedure your doing. Bob
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Old 01-03-2007, 10:18 PM
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Hey Bob,

Usualy I would agree with you,(except for the comet part),I feel like the RM scuff paste,which was made for scuffing bumpers,would be enough,but it just didnt degloss the existing finish enough for my tastes.I will be blending and clearing,but the bumper is white,and I buff the crap out of everything,so I dont think the red pad will be to mutch.Its not like it isint scuffed up,just not as much as usual.

Evilone
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Old 01-03-2007, 11:24 PM
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Hey Evil, don't knock the comet untill you've tried it, it really does work OK. The scuffing gels also work good, same principle.
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Old 01-04-2007, 12:09 AM
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Quote:
Originally Posted by baddbob
Hey Evil, don't knock the comet untill you've tried it, it really does work OK. The scuffing gels also work good, same principle.
No sir Bob,I wasnt knocking it one bit.I was just sayin that the scuffing agent I used works along the same lines,it may even be alittle harsher.I was just trying to say I had allready tryed that I guess.By now,it doesnt make ant diffrence,because I just went with my gut and painted it anyway.I think it will be fine,but time will tell.

EVILONE
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Old 01-04-2007, 06:55 AM
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I've used the Comet and scuffing paste, the comet does work but the
3M sanding paste works so much better.
The sanding paste doesn't foam up like the Comet so you can see
where you're sanding batter.
It also rinses off much easier and cleaner.
But of course it costs much more.
I only use it now and you all know how cheap I am
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Old 01-06-2007, 10:49 AM
 
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I dry sand them with 600 da and hand sand the hard spots with the same da disks. The flex additive is what makes it so hard to sand,like sanding a rubber ball.I painted Porsche's for almost 20 years, Glasurit paint is pretty sweet.






Fitzter
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