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Old 10-11-2016, 10:41 AM   #1
lyrikz
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Looking for a post about sealed rocker boxes?

Im currently building my blazer and fixing some rust on the rocker boxes. I read a post once about a guy who completely sealed his rocker boxes so no water or mud could get it. Is there anything wrong with doing that? My stock boxes had over 2 inches of mud in them.

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Old 10-11-2016, 12:00 PM   #2
lks dcvn
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Re: Looking for a post about sealed rocker boxes?

I think it would be better to modify them so the water/debris runs out of them easier and then you can spray them out and coat the inside/outside of the boxes with some heavy duty paint/POR.
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Old 10-11-2016, 12:01 PM   #3
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Re: Looking for a post about sealed rocker boxes?

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Originally Posted by lks dcvn View Post
I think it would be better to modify them so the water/debris runs out of them easier and then you can spray them out and coat the inside/outside of the boxes with some heavy duty paint/POR.
But why not just seal them up completely??? No need to wash em out if they dont ever get dirty... Maybe a drip hole or something if that?
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My 1971 stepside build thread
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Old 10-11-2016, 10:17 PM   #4
Walter White
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Re: Looking for a post about sealed rocker boxes?

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Originally Posted by lyrikz View Post
But why not just seal them up completely??? No need to wash em out if they dont ever get dirty... Maybe a drip hole or something if that?
I look forward to discussion on this. One of these days im going to be chopping into my 70
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Old 10-12-2016, 11:11 AM   #5
hemi43
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Re: Looking for a post about sealed rocker boxes?

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But why not just seal them up completely??? No need to wash em out if they dont ever get dirty... Maybe a drip hole or something if that?
You will never be able to seal them up completely, because water will find it's way in there. Even if only a bit gets in there, the lack of ventilation will expedite the corrosion. Like someone already mentioned, I would make the drain holes larger to help remove any debris a lot easier. IMHO.
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Old 10-12-2016, 11:16 AM   #6
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Re: Looking for a post about sealed rocker boxes?

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Originally Posted by hemi43 View Post
You will never be able to seal them up completely, because water will find it's way in there. Even if only a bit gets in there, the lack of ventilation will expedite the corrosion. Like someone already mentioned, I would make the drain holes larger to help remove any debris a lot easier. IMHO.
I would leave a drain hole on the bottom. A small hole.

But there are gaps and holes on these that just shoot mud and dirty and debri in there. I want to seal up the big gaps. Leave a drain hole.

I suck at searching, because i just read a thread where a guy did this and of course i cant find it.
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http://67-72chevytrucks.com/vboard/s...d.php?t=676047


My new YOUTUBE channel.. Videos of my truck and a current walk around.
Lyrikz74 Youtube channel DONE! SOLD!

My 1971 stepside build thread
My Build Thread UPDATED 6/11. DONE
and sold.
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Old 10-11-2016, 10:24 PM   #7
lolife99
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Re: Looking for a post about sealed rocker boxes?

I think completely sealed would be much better!
I don't know if you could just seam seal the sheetmetal joints of the rocker boxes or if they would need to be welded.
Either way I would want all the body panels aligned with doors that shut good.
(With or without the top)
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