Holley EFI 6L80 6l90 Transmission Upgrades
Welcome to our guide on installing and testing the 40k Transmission Cooler on a 2018 Chevy Silverado 1500 with the 6L80 This is largely a reliability upgrade and is foundational to all of our 6L90-E torque converters, regardless of build specifications. Further, Inside the Monster 6L80E: Upgrades, Converters & What Sets Us Apart The 6L90 is a heavier duty version of the 6L80 and both share the same flawed torque converter. If you are doing this swap with a used transmission it would Glenn Troub introduces the all new 6L80-TOW&PRO Performance Valve Body Reprogramming Kit from TransGo. This kit delivers ...