Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum - View Single Post - Changing out differentials
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Old 06-12-2019, 11:19 PM
RPatton76 RPatton76 is offline
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2008 Chevy TrailBlazer LT
Imperial Blue Metallic 4.2L I6 2WD
Join Date: Apr 2017
Location: Phoenix, AZ
Posts: 55
I meant to mention that I visited the same yard two times, about a year apart, looking for TrailBlazers, etc., with 4.10 gears and only found one. I looked at RPO codes for GT5 on about 25 vehicles and 3.42's came up the most, 3.73's were semi-common but I only found the one with 4.10 gears.

Rob in AZ
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