Torsion box cut out?
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Can you tell me if the torsion box has been cut out on my blazer. I was researching The rocker box rocker panel thing and I believe mine have been cut out and will need to be re-installed.
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Re: Torsion box cut out?
Yep, that's been hacked by someone. Without it your Blazer is going to have too much body flex.
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Ugh. It's sitting nice now, no sag. I'll have to put that at the top of the to do list. Took off fiberglass top for the first time since I've owned it and installed the bestop I picked up months ago.
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Re: Torsion box cut out?
wow thats mangled...good luck!
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I wouldn't take your top off until you get the boxes fixed especially if the doors open and close nice. They won't after you put the soft top on if the boxes aren't there.
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Yeah I'm going to put the fiberglass top back on only driven a few miles without the top on don't want it to get worse and have another problem to solve. Sucks.
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Can someone tell me why anyone would cut that out?
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I'm guessing they started and did not finish. Maybe they thought they would just put metal there as opposed to replacing the whole box. Your guess is as good as mine I'm curious as to what others will say
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Re: Torsion box cut out?
Thankfully the parts to replace everything are readily available and reasonable. It's also a fairly easy fix. Like others have mentioned, make sure your fiberglass top is firmly bolted on before cutting. Good luck !!
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Mine were completely missing when I bought my Jimmy in 2014. At least it made replacing them fairly straightforward, nothing was in the way.
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Re: Torsion box cut out?
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I've seen several seemingly nice full restorations on eBay over the past couple years that were missing the rocker boxes. I know they tend to rot out but have no clue why someone wouldn't replace them...
Mine were practically falling out when I got my blazer. I cut a few inches on it and it fell out the bottom of the truck only holding by the support bar and front lip. I raptor lined them inside and out when I reinstalled them. |
Re: Torsion box cut out?
Thanks for the reply
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Factory frame is only C channel - you could fully box the frame with a welder if you didn't care about factory appearances and needed the extra space below for something ..steps, tanks etc.. the square tube frame will be stiffer/stronger than any support the original tin rocker boxes add anyway.
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Boxing in the frame is not a substitute for rocker boxes. You can box the frame in all you want but it won't prevent the body from sagging between the mounts. |
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I just bought a 72 and after looking at these pictures I believe someone has cut mine out too. How hard is it to install new ones. I'm new to blazers so I have no idea how they go. Also mine has an aftermarket roll cage built into it that goes from front to back so with that would mine still flex if the top was removed?
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I bought my torsion boxes at GMCPauls.com
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I think they were rusty and a PO cut em out to hide that fact. Cut them and someone who doesn't know what they're looking at wont know they're missing. Holey metal looks bad to everyone.
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Re: Torsion box cut out?
You may be right
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