joeb Posted June 2, 2005 Report Share Posted June 2, 2005 Is the rear differential unit for the new STS shared with any other cars? I assume it is IRS but is the "pumpkin" used on any other GM rear drive vehicle? maybe trailblazer or colorado? how about the CTS? totally different center section VS. the STS? Link to comment Share on other sites More sharing options...
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