Originally Posted by
billygraves
All I can tell you is Good Luck and if you cook a set of clutches, I hope you don't mind pulling it out to overhaul it. It usually gets expensive. If I had an L60 all I would change is the steady state pressure to increase it, increase the upshift pressures and really add some PTS to the TCC ON in 4th.
If you think the 10 pack of the 3-4 clutch is a good set up, you are mistaken. The clutch design was NOT THOUGHLY thought out. This is why GM ran test after test on all of these and did NOT change to them. They seem like a good idea but do not hold up with any HEAT. The clutches are very thin and will NOT tolerate HEAT and there is not enough capacity in the steels to carry the heat from the shift to the oil without going over the temp of the clutch material or bonding agents. I would use the OEM 7 cl 3-4 set up thickness. Never tow or run a L60 in 4th with TCC on at low Engine RPM. It will burn the 3-4 cl. Best of luck to ya.
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