issue after 4l80e

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05-25-2012 | 06:47 AM

#21

camarochevy1970

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Tom did this ever work for you? I am working on a GTO that we swapped the T56 out for a 4l80 and the speedometer is off by 20 MPH, even with the settings that were recommended by slow67

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05-27-2012 | 01:54 PM

#22

gnx

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From: houston

4l80e

Wow what a mess i am installing a 4l80e in my t/a from a 4l60e i sure hope i dont have that many issues,or is it easier to do it from auto to auto

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05-27-2012 | 02:39 PM

#23

+badss+

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From: Florida

My swap from 4l60 to 4l80 was not bad and no problems so far with 2000 miles

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