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Is it necessary to tune when swapping 3.73 rear end gears for 4.10s?

April 26, 2017gears necessary rear swapping tune

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Is it necessary to tune when swapping 3.73 rear end gears for 4.10s?

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08 Colorado LT standard cab 3.7L auto Z85 3.73 G80 K&N FIPK ssk modded intake with AEM dryflo filter (NO OIL) lol Flex-a-lite extreme 180 e-fan external trans oil cooler Superior trans servos gutted manifold with innovate motorsports wideband in second o2 sensor location custom 2.5″ straight pipe from the manifold back to a 4×9″ magnaflow 1/4 ET 14.344 @ 93.77 mph. and a best 60′ of 2.095 wideband tuned by Stocker2 and dyno’d at Reckartperformancetuning.com 218 hp @ 5632 rpm and 222 lbs/ft @ 4941 rpm THE MOD’S NEVER STOP!!!