07-19-2012, 08:49 AM | #10 |
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Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: 4l80e shifting ?
The trans shifts based on MPH; the PCM needs to have the correct Gear/Tire size no matter what is driving your speedo.
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap |
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