Rollbar is off- angle grinder opinions? - JeepForum.com
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  • 1 Post By mukluk
  • 2 Post By jeff_in_rc
 
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post #1 of 10 Old 04-09-2018, 09:20 PM Thread Starter
Trespasser
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Paint it or keep grinding???

I'm doing an amateur restoration of my 97. The tub interior is good except under the rollbar and the footwells.

So far, I took an angle grinder cup brush and rotary brush to the tub. I thought it looked shiny until I started on the rollbar itself with a grinding disc which dug in too much at spots and still didn't get deep enough in others.

Should I prime as is or take a shot on the tub itself with a grinding disc?

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post #2 of 10 Old 04-09-2018, 10:14 PM
mukluk
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Remove all the loose rust, hit it with some rust converter or Rustoleum rusty metal primer, and paint it.
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post #3 of 10 Old 04-10-2018, 08:17 AM
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What mukluk said and I will add, get a flap wheel instead of a grinding wheel for the rust, you will have better control. Then clean it well, and paint it with a rust encapsulater paint then the color of choice.

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post #4 of 10 Old 04-11-2018, 11:23 AM
1longcj
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I like the flap discs better than the flap wheels.

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post #5 of 10 Old 04-11-2018, 11:26 AM
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I might have used the wrong word on that! Flap disk sounds more like it.

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post #6 of 10 Old 04-11-2018, 07:17 PM
vtx531
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Unless you cut it out and replace metal, the rust will come back through. Speaking from experience.



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post #7 of 10 Old 04-11-2018, 08:06 PM
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Quote:
Originally Posted by vtx531 View Post
Unless you cut it out and replace metal, the rust will come back through. Speaking from experience.
True, in 20 more years it will look more or less like it does now.

Iíd try a wire brush wheel to get the lose stuff then rustoleum.

Multiple coats, let each one dry well before the next.

I have a 97 TJ as well and Iím afraid to take too much apart for fear of what Iíll find.

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post #8 of 10 Old 04-11-2018, 10:01 PM Thread Starter
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Quote:
Originally Posted by vtx531 View Post
Unless you cut it out and replace metal, the rust will come back through. Speaking from experience.
It may yet come back in another decade but cutting is not an option for me. I can do a lot but I can't weld. I'll be grinding and painting, the main question is how much grinding!

This Jeep is my 4th one, but a doppleganger for my very first one so it has sentimenal value and I plan to keep it.

So... Grind at that pitted spot with a flap disc or just seal it as is???
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post #9 of 10 Old 04-12-2018, 02:03 PM
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I'd just wire brush it or sand blast and kill the rust. people say you can't kill the rust and that may be true. But you sure can stop it. Invest in some converter like POR or go to the Mostaliner web site and check for his rust paint. Back in 1988 I had some bad flaky rust, not surface rust, on some 1/4" steel frame work at an industrial site. I electric wire brushed all the loose stuff off and put the Rustoleum rust primer on it in 2-3 coats. Then it was top coated with rustoleum. It's still good today. Never even been repainted. If you grind away till all is shiny your metal is going to be pretty thin.

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post #10 of 10 Old 04-12-2018, 02:04 PM
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And use never seize on those bolts.

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