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In the process of swapping in a 4L80E transmission setup into my wife's 2008 PPV Tahoe. So far, have the TCI flexplate installed, converter and transmission. Hd to trim the ear off of the passenger side of the case, and a little off of the torque converter cover. Had the driveshaft shortened an inch, replaced the u-joints, added a Spicer yoke and currently working on the cooler lines and mounting. Trying for as much of the factory look as possible.
We tow my wife's '99 Trans Am to the track and plan to get a small travel trailer in the future after our little one is old enough to enjoy it. 6000lbs is about the max it will see.
I plan to be doing the same thing to my 2009 here shortly. Did you have change around any of the wiring on the connector or the harness? I've read that repinning has to be done due to the 60e only using a single VSS sensor.
I plan to be doing the same thing to my 2009 here shortly. Did you have change around any of the wiring on the connector or the harness? I've read that repinning has to be done due to the 60e only using a single VSS sensor.
Since it was an '08 with a 15 pin 4L6x that already had an input speed sensor wire, I got the Speartech harness to retain the same feature for the 4L80E and utilize the ISS signal on it. Just have to do the necessary tuning changes, no rewiring needed. So far, shifts great!
07-28-2018, 12:17 PM
2008 Tahoe PPV 4L80 swap
