Performance Mods - Engine - 5.7 Hemi V8
I've got a 45RFE trans, which I'm sure is a 4 speed (1, 2, 2p, 3, and 4). But my Superchips 3865 Flashpaq gives me options for shift points for those gears, as well as from 4 up to 5, and back down. Does this actually do anything? I'm very confused.