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08-09-2012, 12:14 PM #1
How to properly wet sand your truck and where is the best place to get supplies?
I am thinking about wet sanding the truck, just enough to get the orange peel out of the clear coat, I would be using 2000 or 2500 grit sand paper and a light clay bar soap while sanding.
Are there any guides online that show you the best best way to do this and if I am doing the whole truck panel by panel, what is the best place to get the supplies (sand paper, etc).
And any suggestions from people that have done this before.
08-09-2012, 12:31 PM #2
I know my body man uses 2000 grit. He uses very small amounts of some kind of 3M paste (squirtable from a bottle) as a lubricant. I didn't catch what it was while watching...
08-09-2012, 02:32 PM #3
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08-10-2012, 07:28 AM #4
This is quite a process. I don't have 2 days to work on the truck........ I guess I can do a panel a day or something like that. It looks like they likes the hand sanding better than the air sander, and they also started with a 1500 git paper.
08-10-2012, 11:10 AM #5
My body man hand sands exclusively. It took him 1.5 solid hours to do my hood -- I watched while yapping with him. He only used 2000 grit and the 3M stuff I mentioned (which may or may not have been some kind of fine abrasive; I didn't pay enough attention). That'll give you some idea of how long a certain sized panel might take...
08-13-2012, 04:44 PM #6
Unless you have an aftermarket clear coat I'd highly advise against doing a full sanding of the factory clear coat. They spray all vehicles as thin as they can get away with leaving you with only so much material to work on. After a full sanding your clear will be thinned to a degree that would make correction of scratches or swirl marks in the future a risky proposition.
Just my 2 pennies worth, but personally I'd never sand an OEM paint job. Not worth it.
08-14-2012, 10:40 AM #7
08-14-2012, 10:49 AM #8
You could get the same effect throwing eggs on the car and leaving them there for a while ... or by leaving acid rain on the car for a hyper extended period. Like Coke, such things will muck up the clear coat but not STRIP it, as suggested. Evaporation on a vehicle's surface won't permit the kind of duration needed to 'strip' a vehicle's clear coat unless you were to immerse a towl in the stuff, put it on the vehicle, and keep it there ... and then continually add more Coca-Cola to compensate for the environment's evaporation of water content from the initially-poured Coca-Cola.
Thus, I can easily see Coca-Cola MARRING a clear coat (just as acid rain will, given enough time), but dissolving/stripping it a la mineral spirits or , MEK's dissolution of paint? No. There's a huge world of difference...
Also, if a clear coat is marred in this way, wet-sanding and/or rubbing compounds are the traditional fixes ... unless the problem has impacted the paint, itself (remember, the clear coat is bonded to it!), in which case it's a new paint job.
Last edited by SurrealOne; 08-14-2012 at 11:25 AM.
08-17-2012, 08:33 PM #9
In fact most factory paint jobs will have orange peel if you look close enough. Even if this is a aftermarket paint job I dont recommend you learn how to cut and buff on your daily driver.
08-17-2012, 09:47 PM #10
100% agreed. I've worked on everything from Hyundia's to Lamborghini's and they all have orange peel. Not sure where people got the idea in their head that an OEM paint job was supposed to be perfect, but they never are. They're sprayed by robots utilizing as little material as possible. No sanding takes place, they're not blocked, they're not buffed, they're just sprayed and sent down the line. Truth be told the last Ferrari 599GTB I worked on had just as much, if not more, orange peel than my Avalanche did and thats comparing a 6 figure Italian supercar to a $40k truck.
Fact is, if you want a perfectly smooth paint job you need to have the vehicle stripped, reshot with plenty of clear, blocked, reshot, blocked again, and buffed. Theres a reason a show car paint job can run upwards of $20-$30k... theres a lot of labor, time, and material involved in making it perfectly smooth paint job.
I've been up close and personal with OEM paint on $400k+ cars... trust me when I say the paint is no better with no less orange peel and defects than what you'd see on your truck...
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