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Discussion Starter · #1 ·
Hello all,

I have a few rust spots in the rocker panel area of my jeep. I bought some rocker guards to put over, but I want to cut out/sand down the rust spots before covering them up.

My question is, what kind of tool should I be using? I was hoping I could get by with a dremel or maybe specialized bits for a corded power drill (maybe a cutting wheel and a wire brush?). All the demos on Youtube seem to use bench grinders.

I plan to treat the edges and exposed metal with POR 15 or silicone and then put the guards on top of that. Thanks.
 

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Hello all,

I have a few rust spots in the rocker panel area of my jeep. I bought some rocker guards to put over, but I want to cut out/sand down the rust spots before covering them up.

My question is, what kind of tool should I be using? I was hoping I could get by with a dremel or maybe specialized bits for a corded power drill (maybe a cutting wheel and a wire brush?). All the demos on Youtube seem to use bench grinders.

I plan to treat the edges and exposed metal with POR 15 or silicone and then put the guards on top of that. Thanks.
I used a Dremel on mine and blew through the cutting wheels like crazy. So I bought a grinder for when I do the other side . It'll work but make sure you have plenty of wheels.
 

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Discussion Starter · #3 ·
Hmm, grinders are not as expensive as I thought they might be... probably go that route... Thanks.
 

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I have burned through a few grinders. I had a cheapo Chicago Electric that lasted a few minutes. I got a Ryobi that I abused for years till the brushes wore out, maybe one day I will get new brushes for that one. I now have a Black and Decker that I have been using about two years. The gears are starting to get noisy in that one. My recommendation would be to at least buy a brand you can trust, you don't necessarily need the best. Secondly, buy one with a trigger type on/off instead of a switch. It can be a dangerous tool and I feel much better knowing it will stop running if it gets yanked out of my hands.
 

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I've actually had good luck with the cheap $29 Harbor Freight grinder/cutter. I even put a masonry wheel on it and cut blocks for a retaining wall. The $20 cut off wheel lasted through my 2 year jeep rebuild. If these tools were my profession I guess I would be buying the best, but for occasional use I'm happy with the throw away version.
 

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I recently removed rust spots before putting on full steel corner guards, used a grinder w cutoff wheel and also a "sand blaster" wheel on the rust spots, got rid of all the rust and treated with loctite rust neutralizer spray then coated over that with rustoleum, seemed to work, slapped the new panels over it so I'll, hopefully, never know!
 
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