Re: Frame strength help...
This is an older thread, but the GVW is less on a 4wd prolly cause of the front axle. I'd imagine the frames are the same thickness, but the front axle would be the weak link.
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2000 GMC CCSB 454/4L80 6” lift SAS
1999 Chevy CCSB 454/NV4500 6” lift
1999 GMC Yukon 350/4L60 4" SAS
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