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Re: Gear Ratio Match Up
I've used 2 of the van rears now with no issues. But I thought when I checked they were 4.11.....either way not enough of a difference.
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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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