View Full Version : th-350 to M6 or 4l80e/4l60e

11-16-2007, 06:37 PM
Which swithc would be the most complicated? My car was originally an M6, and I'm wanting to do something to go more street friendly, so would going to M6 be a big hassle or would going to the 4l80e/4l60e be harder to do?