Re: Frame strength help...
Has anyone compared frames from an early 60s to a modern frame? Granted braces, crossmembers, funky bends and what not, but these frames are thick. Back when they built trucks, I wouldn't hesitate running the frame as is. Now if you do plan on serious off-road, 800+ horses, towing doubles then maybe want to box the frame.
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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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