4L80E differences for 2002 and 2004

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Jul 13, 2009 | 09:45 PM

76LQ9TA

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From: Montgomery, IL

4L80E differences for 2002 and 2004

Are there any physical differences between a 2002 2wd 4L80E and a 2004 2wd 4L80E? Are the stock programs different? Is there anything that needs to be changed in the tune to use a 2600 stall converter?

Jul 15, 2009 | 12:27 PM

76LQ9TA

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From: Montgomery, IL

Can I install a 2004 4L80E in my vehicle that has a 2002 PCM (GM# 12200411)?

Jul 15, 2009 | 01:40 PM

FLT

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From: Wood Dale, Illinois

You will be fine with using that unit. You might need to tune a bit for the stall. But as far as the trans is concerned you are good to go. Vince

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