Those who swapped to 4l80
10-03-2007, 11:17 AM
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Those who swapped to 4l80
I will be doing my trans swap this weekend and have a lift how long will take a mechanic and helper to do everything except the drive shaft as it will have to be made doing the week. Thanksfor youre in put and any sugestions
10-03-2007, 03:25 PM
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It's really not too much more work than a standard transmission R&R. They will have to lengthen one of the cooler lines, and wire the two pins into the PCM. That is about the only thing different than a standard swap that I can think of. I'd guess for a good mechanic with a helper and lift somewhere around 4 hours or so if they have all the pieces and parts. Just a guess on my part though.
Also, let them know to put the dipstick tube up in place BEFORE putting the 4L80E in. It can be done afterwards but, it isn't easy.
Also, let them know to put the dipstick tube up in place BEFORE putting the 4L80E in. It can be done afterwards but, it isn't easy.
10-03-2007, 04:00 PM
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I was planning on 6-8 hrs so thats good. I went ahead and bought both new trans lines. I will have to remember that about about the dip stick tube I guess it should come up from the bottom then. I am takeing my truck down to the shop fri night and work on it sat
10-03-2007, 05:14 PM
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Yes, as far as I know you cannot just install a 4L80E and expect the PCM to control it correctly... not without changing the software. I will be installing a 4L80E soon as well and have obtained a 6L/4L80E HP Tuners file (software I use) for the year of my truck... and will have my tuner transfer the motor tune to it prior to uploading it when I swap my tranny. Segment swapping, if done correctly, can happen as well. EC Tune on HP Tuners forum can help you if you haven't figured it out already.
Bill
Bill
10-03-2007, 06:04 PM
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Yes, as far as I know you cannot just install a 4L80E and expect the PCM to control it correctly... not without changing the software. I will be installing a 4L80E soon as well and have obtained a 6L/4L80E HP Tuners file (software I use) for the year of my truck... and will have my tuner transfer the motor tune to it prior to uploading it when I swap my tranny. Segment swapping, if done correctly, can happen as well. EC Tune on HP Tuners forum can help you if you haven't figured it out already.
Bill
Bill
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10-03-2007, 06:29 PM
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Oooops my bad he is going to install the tune before hand I will definitely give my opinion on it from what I gather from reading here is 1st gear last forever but then it really rolls
