Making the 4l80 2wd to 4wd Swap Work for Your Truck
If you're planning a 4l80 2wd to 4wd conversion, you probably already know that these transmissions are absolute tanks, but they aren't exactly "plug and play" when switching between drive configurations. It's a common situation: you find a killer deal on a 4L80E out of a Chevy Express van or a 2500 Silverado, only to realize your project truck needs a transfer case hanging off the back. While the internals are mostly the same, getting that 2WD unit to play nice with a 4WD setup involves more than just a couple of bolts and some wishful thinking. ...