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Re: gearing
Well the 3.91 will get you out of the hole faster, and of course turn more rpms driving down the road. You will have more power, pulling hills and such, also good for towing. Im building my burban with 3.08s in it so I can cruise down the road, not screaming rpms either.
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2000 GMC CCSB 454/4L80 6” lift SAS
1999 Chevy CCSB 454/NV4500 4” SAS
1999 GMC Yukon 350/4L60 6" SAS
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