Shift times via HP Tuner

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Dec 28, 2011 | 10:08 AM

Larry

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From: Sugar Land, TX

Shift times via HP Tuner

Read the ECM in my 2011 5.3 automatic Silverado. The program has shift times of -32.0000 seconds. What is GMs reasoning for this? Have not tuned the truck so this is factory settings.

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Last edited by Larry; Dec 28, 2011 at 10:53 AM.

Dec 28, 2011 | 10:45 AM

CalEditor@PCMCalibrators

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From: Rock Hill SC

Quote:

Originally Posted by Larry

Read the ECM in my 2011 5.3 automatic Silverado. The program has shift times of -32.0000 seconds. What is GMs reasoning for this? Have no tune the truck so this is factory settings.

gear tie up.
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