Hi, this is my first post, I had no luck with a search but hopefully this will be a quick, easy answer.

I washed my 2005 350Z today for the first time, despite the grey skies and temperature in the 40s, and found a lot of brownish spots. My guess is it spent some time parked it under a tree or something. Soap and water didn't have any effect, but I was able to scratch coupe off using my fingernail — though I'm sure that isn't the best way to do it. Is this an instance when you would use a clay bar? Or is that only for after you've gotten this layer of surface-lying crap off?

Thanks!


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try something like this

http://www.detailedimage.com/Chemica...P277/16-oz-S1/


btw twitter is gay

 

Tiny rust colored spots is typical of acid rain. Live near a railroad? Rail dust. Particulates lay on the car. Morning dew wets and bonds the material to the paint.

 

be careful with those solvents they can easily strip a layer of clear coat off if not used properly

 

Since you can remove them using your fingernail, use a claybar with QD to remove those spots. Should safely remove the spots and keep the scratches to a minimum.

Just about anything listed here would work:
http://www.detailedimage.com/Clay-Bar-C6/

 

Clay bar

 

Do not use your fingernails ever again to scratch these off!
Do not use your fingernails ever again to scratch these off!
Do not use your fingernails ever again to scratch these off!

Use claybar and use LIGHT pressure on it, making sure the surface is moist so the claybar can glide its way through. If that doesn't work, go buy a Quick Detailer and use a quality microfiber towel to rub it off.

 

Thanks for the help everyone, looks like I'll carefully use some clay bar.