Quote:
Originally Posted by jbclassix
My bone stock cummins tows just fine in overdrive with 3.55s. I think you'll want the 3.73s. We ran an '05 10.5 AAM on the 82 frame for my brothers crewcab. We had to relocate perches and shock mounts. I've also noticed the limited slip GM uses now (still has the RPO G80) is a different and more reliable design.
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Cool. Do you know when the g80s improved? Also has anyone been able to harvest the perches and reuse them without destroying them or the axle? In the past, I hhaven't been able to save both but maybe a clean torch tip would allow it but I'd be nervous operating that close to the axle tube. Got a good source for heavy duty perches that fit these sumo
axles?