4L60E to 4L80E reprogram?
08-05-2009, 05:08 AM
#2
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Anyone with HPTuners can. It requires sending an F-body file and a truck file (that uses the 80) to HPTuners to have the appropriate segments swapped. Look up Frost on here if you are looking for a professional to do it. He can and has done it before.
There is still one minor unresolved issue with the HPTuners route though. When cruising on the highway with the TC locked, it will unlock if you let off the gas (less than 5% throttle I believe). When you use the throttle again it will lock back up. It doesn't really bother me as I have learned to modulate the throttle just enough that it doesn't lock/unlock on me during cruising. A solution is still being worked on. Even if it wasn't I wouldn't let it stop me from doing the swap.
There are also other options like a stand alone controller or full manual valve body. For me using the PCM to control it made the most sense, but check out those options as well and see what's best for you.
BTW I think Frost sells the wiring harness adapter now as well at a competitive price to Speartech's. He didn't have it developed yet when I did my swap.
There is still one minor unresolved issue with the HPTuners route though. When cruising on the highway with the TC locked, it will unlock if you let off the gas (less than 5% throttle I believe). When you use the throttle again it will lock back up. It doesn't really bother me as I have learned to modulate the throttle just enough that it doesn't lock/unlock on me during cruising. A solution is still being worked on. Even if it wasn't I wouldn't let it stop me from doing the swap.
There are also other options like a stand alone controller or full manual valve body. For me using the PCM to control it made the most sense, but check out those options as well and see what's best for you.
BTW I think Frost sells the wiring harness adapter now as well at a competitive price to Speartech's. He didn't have it developed yet when I did my swap.
Last edited by usmc320; 08-05-2009 at 05:18 AM.
08-05-2009, 08:07 AM
#4
There is still one minor unresolved issue with the HPTuners route though. When cruising on the highway with the TC locked, it will unlock if you let off the gas (less than 5% throttle I believe). When you use the throttle again it will lock back up. It doesn't really bother me as I have learned to modulate the throttle just enough that it doesn't lock/unlock on me during cruising. A solution is still being worked on. Even if it wasn't I wouldn't let it stop me from doing the swap.
