Sandblasting truck frame ? - Chevy and GMC Duramax Diesel Forum
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post #1 of 18 (permalink) Old 04-17-2019, 04:14 PM Thread Starter
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Sandblasting truck frame ?

There’s a local guy that will sandblast and epoxy prime and paint my frame of my lbz . It has flaking rust on it , so I want to get it taken care of . He doesn’t remove the cab , but will remove the bed and rear bumper . He said he’ll do it for $1100. Any comments? Is this a good idea ?

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post #2 of 18 (permalink) Old 04-17-2019, 04:15 PM Thread Starter
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Or should I just take it to a place that descales and undercoated it?

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post #3 of 18 (permalink) Old 04-17-2019, 04:21 PM
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The sand will get everywhere!! In the body mounts, in the seals, in the bushings, in the cab........everywhere! If youv ever sandblasted yourself, you know what I mean. Personally Id only sandblast if the frame was completely disassembled and bare.
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post #4 of 18 (permalink) Old 04-17-2019, 04:32 PM Thread Starter
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The sand will get everywhere!! In the body mounts, in the seals, in the bushings, in the cab........everywhere! If you’v ever sandblasted yourself, you know what I mean. Personally I’d only sandblast if the frame was completely disassembled and bare.
So what step would you take if I’m not able to disassemble the entire truck ? Are there any shops that will wire bride and por 15 it?

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post #5 of 18 (permalink) Old 04-17-2019, 04:36 PM
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I’m guessing you will have to do that yourself. Creeper, full Tyvek suit, headgear, scraper, wire brush and a week of vacation. Some disk wheels and wire brush wheels on a cordless drill or air tool would also be helpful.

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post #6 of 18 (permalink) Old 04-17-2019, 04:39 PM Thread Starter
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I’m guessing you will have to do that yourself. Creeper, full Tyvek suit, headgear, scraper, wire brush and a week of vacation.
And the sandblastwe guy told me there would be no issues , he said that if water doesn’t get in places than sand won’t... but looking it up it seems the majority say this isn’t a good idea

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post #7 of 18 (permalink) Old 04-17-2019, 05:26 PM
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The sand will get everywhere!!
Correct, the truck will be 200 lbs heavier after he gets done.

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post #8 of 18 (permalink) Old 04-17-2019, 05:44 PM
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And the sandblastwe guy told me there would be no issues , he said that if water doesn’t get in places than sand won’t... but looking it up it seems the majority say this isn’t a good idea
water is also not typically sprayed at high velocity from all angles either.

The only time i would sand blast a frame is if 1, i only had a small section to do that i could issolate from everything else, and it was open enough to clean out, and there was no moving parts near it, or 2, the frame was torn down to just the frame, no moving parts, no bushings, nothing. Sand is an abrasive, if it can scrape rust off, think of the damage it would do inside a bearing. Heaven forbid he shoots any of that into a breather tube...

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Last edited by J83; 04-17-2019 at 05:46 PM.
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post #9 of 18 (permalink) Old 04-18-2019, 09:46 AM
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Bad idea and I won't trust the guy who says it won't get into places that water doesn't. Think of the affect on wiring, brake lines, fuel lines etc. Besides unless it's a bare frame there's no way he can hit 100% of it
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post #10 of 18 (permalink) Old 04-18-2019, 10:00 AM Thread Starter
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Bad idea and I won't trust the guy who says it won't get into places that water doesn't. Think of the affect on wiring, brake lines, fuel lines etc. Besides unless it's a bare frame there's no way he can hit 100% of it
There’s also a restoration shop that says they will take off bed and grind all rust off frame and paint it . They’d be leaving the cAb on . They said it would be about 50 hours labor ... at 80/hr. Does this seem high? I don’t have the time or space to do it myself . Anyone have any ideas that will work for me ?

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