4l65e sun shell probs???
4L65e and some have said that GM put a better sun shell in these tranny's. Does anyone know the real story before i pull my tranny out to upgrade?????
Gb
2008, 5.3 silverado, 4x4, 4.56 gears, 2800 stall, Comp 275 cam, CAI, Headers, port matched heads, nelson tune, 1.8 rollers, manley rods, etc....







