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Unread 04-05-2010, 05:22 PM   #1
Matt_G
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1979 CJ5 
 
Join Date: Aug 2009
Location: kalamazoo, MI
Posts: 638
blast it vs. sand flat

hey,

I'm looking to paint my cj5 in a month or so and i'm a little stuck. i can't decide if i want to pull the tub and have it blasted or if i should sand down everything and paint it smooth. it has a little surface rust at the back and the rockers are dented/wavy. it also has some bondo on one side and seems to have anywere from 1 to 4 coats of paint all over. the bottom is very rusty (surface rust it seems) which is the main reason i want to sandblast but not sure if it is worth it. i got quotes for $25 and hour for 1 person and $35 for 2 people at my local blasters and they claim the sand won't pit the metal so it sounds promising.

what do you think?

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Unread 04-06-2010, 05:22 AM   #2
Bmel17
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2006 TJ Wrangler 
 
Join Date: Mar 2006
Location: Wilmington, DE
Posts: 520
i would buy a sand blaster and do it myself. if you go this route, get decent one. i bought cheap once and regretted it
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Unread 04-06-2010, 08:28 AM   #3
YJhobby
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1993 YJ Wrangler 
 
Join Date: Oct 2009
Location: Lexington, KY
Posts: 509
Unless you've got access to a big air compressor, don't think too much into buying a sandblasting unit. It's cheaper to stand over someone's shoulder while they blast to keep them on their toes.

To answer you big question I would blast it instead of mechanically sanding it down. I'd just make sure they know its 18ga mostly un-reinforced steel and not some thick walled pipe. I'd also make sure I could witness them blasting it to keep them from pitting it. Their Equipment will be capable of punching holes through the metal, so it will be up to the operator to keep it from happening.
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Unread 04-06-2010, 08:54 AM   #4
Goobersbro
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2007  
 
Join Date: Oct 2008
Location: Yuba City, California
Posts: 4,138
HOLY cow thats cheap I was quoted at 125 an hour for one place to blast my jeep and the other place wanted around 500 just for the tub. He said doors windshield hood and tailgait would be extra hahaha....So all in all I'm buying a media blaster with my boss we have everything excpet the blaster and since we both have projects we need blasted its way cheaper for us just to buy one
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Unread 04-18-2010, 05:09 AM   #5
fretout
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2005 TJ Wrangler 
 
Join Date: Mar 2010
Location: Phoenix, AZ
Posts: 98
IMHO, I would sand the Jeep by hand for a few reasons. In my experience, when you sand down the vehicle, you will notice any flaws (dents, dings, depressions, ect.) that need to be repaired during the prep stage that may not be noticed if the Jeep is sandblasted.

Also, I have heard some "horror stories" of Jeeps that have been sandblasted, and it ended up "distorting the metal". I have heard that media blasting (walnut shells in particlular) worked well, and did not cause any warpage to the metal, but again, hand sanding would take more time, but would be worth the extra effort.

Whatever you decide, POST PICS! Good luck!
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