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Old 05-29-2015, 02:49 PM
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Blasting

Hey I am going to do some prep paint work on my jeep. I am gonna blast it. I have never blasted anything before so I am inexperienced. Would media blasting with walnut shells be best? There are a few coats of paint on it and some surface rust.

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Old 05-29-2015, 03:22 PM   #2
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I've always use the Black Diamond products. The only time I use "walnut shells" is for tumbling spent brass!

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Old 05-29-2015, 03:27 PM   #3
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I've always use the Black Diamond products. The only time I use "walnut shells" is for tumbling spent brass!
Isn't that all you should use walnut or pecan shells for? I have only used them of reloading, and never heard of another use.
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Old 05-29-2015, 03:57 PM
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I've always use the Black Diamond products. The only time I use "walnut shells" is for tumbling spent brass!
Well what stuff should I use? I don't want to wreck anything since I have never done it before. And heard that walnut shells are better
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Old 05-29-2015, 06:33 PM   #5
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Well what stuff should I use? I don't want to wreck anything since I have never done it before. And heard that walnut shells are better
Blasting any sheet metal body panels will almost always cause it to warp and curl.

I hear dry ice blasting is the safest, but requires equipment and talent.

We have a walnut shell blast cabinet that works great, but still warps thin sheetmetal. So beware.
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Old 05-30-2015, 11:38 AM
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Well what stuff should I use? I don't want to wreck anything since I have never done it before. And heard that walnut shells are better
Blasting any sheet metal body panels will almost always cause it to warp and curl.

I hear dry ice blasting is the safest, but requires equipment and talent.

We have a walnut shell blast cabinet that works great, but still warps thin sheetmetal. So beware.
So what do you think I should do? I have a lot of surface rust spots.
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Old 05-30-2015, 02:54 PM   #7
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Heck, not like warping or curling of the sheetmetal is a big disaster if it's as rusty as you say. I use aluminum oxide powder (80 grit) in my blast cabinet and have a ton of small parts from the jeep I have done, haven't noticed it damaging anything but the loose rust.

I wouldn't use aluminum outside a cabinet though... I would try a hand held sandblaster with proper sand... Not playground sand or regular sand, silica poisoning is horrible and deadly. Buy sandblasting sand in 80 to 100 grit, by a respirator not dust mask and good gloves and a face shield.

Just attack the rust, don't try to take the jeep down to bare metal.

When rust is gone, treat with POR-50 or whatever it's called, it is basically the only thing that will stop further rusting.

I would give it a try, that rust is t going to go away on its own... It's either that or cut out all the affected metal and weld in new.
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Old 05-30-2015, 02:59 PM   #8
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Let me add... I wouldn't suggest blasting the whole jeep, way too time consuming... Just get the rusty areas.


If you Feel like you MUST remove all the paint, might hire one of the mobile soda blasting companies... They use steam and baking soda to erode the paint, clean up with a garden hose and baking soda is non toxic, environmentally safe.

I think it takes about an hour for a normal car down to bare metal, but does cost just south of a grand though
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Old 05-30-2015, 03:58 PM   #9
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Scuff the paint with a brown Scotchbrite pad and use rust converter on the rust. Paint adheres better to old paint than to bare metal.
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Old 06-01-2015, 10:08 PM   #10
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So what do you think I should do? I have a lot of surface rust spots.
Pics?

Unless you want to spend good money for good results, just scuff and squirt some rattle can paint over it. Make it all one color. Or camo it
Thats what i did to my rustbucket 72 cj
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Old 06-03-2015, 12:18 PM   #11
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Well what stuff should I use? I don't want to wreck anything since I have never done it before. And heard that walnut shells are better
Take a wire wheel to the surface rust and treat it with...Eastwood Rust Converter Aerosol - Remove Rust - Rust Converter Paint - Eastwood

Depending on what kind of paint job you want...I'd go the traditional route. Prep the previous work and the rest of the "painted" areas...sand, Bondo/fill, sand, spot prime, glazing puddy, sand, prime and paint.

Many options...some "rattle can" it, "Monstaliner" it or "wrap" it! Decision is yours.
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Old 06-05-2015, 11:18 PM   #12
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Media Blast

Yes, it is a whole lot of work, to remove all trim and accessories (new windehield frame) but now my Jeep looks like new. media blast about $800.00...Paint and materials about $1K. Labor...my own. Took about a month.
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Old 06-06-2015, 12:44 AM   #13
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looks good(so far)! I have a quick question, who made your rims? I have the same ones, and want to find out who made them, and what model they are, but there are so many that are similar, but yours is the closest I have found to mine, so...
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Old 06-06-2015, 05:16 PM   #14
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Lucky Mac's Wheels

Bought them from Qtec. Crager 342, 15" X 8"
Qtec #92600 204 07 $58.99 each.
It looks like the same wheel is now listed as Pro Comp 51 Rock crawler. You have to buy the caps separatly. Pic is from the box they came from. Good Luck, L.M.
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Old 06-09-2015, 12:02 AM   #15
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Harbor freight has a small blaster that works good, as l8ng as you dont use alot of air pressure u should be ok for small rust spots

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