I Tested the Best Trans Cooler for 4L60E: My Top Pick for Cooler, Longer-Lasting Shifts
When I first started digging into performance and reliability upgrades for GM transmissions, one component kept coming up again and again: the trans cooler for 4L60E. It’s easy to overlook, but this small part can make a big difference in how well a transmission holds up under daily driving, towing, or spirited use. I’ve found…
