# TCI's new 6 speed 4l80e **URL:** \ **Category:** PittSpeed Automotive\ **Created:** [January 22, 2009, 8:02am UTC](https://forums.speedlife.net/t/tcis-new-6-speed-4l80e/201596 "2009-01-22T08:02:24Z")\ **Posts on this page:** 1\ **Showing post:** 15
**Author:** ![obi-1](https://avatars.discourse-cdn.com/v4/letter/o/ac8455/32.png) [@obi-1](https://forums.speedlife.net/u/obi-1)\ **Post date:** [January 23, 2009, 5:42am UTC](https://forums.speedlife.net/t/tcis-new-6-speed-4l80e/201596/15 "2009-01-23T05:42:09Z")
> [@WTB: honda project or other make/model](https://forums.speedlife.net/t/wtb-honda-project-or-other-make-model/38905/27): > > its just a regular 4380e just controlled different. i looked up the gear ratios they are 2.97, 2.23, 1.57, 1.18, 1.0, .75. if you do the math second gear is .75 of fist gear, and fourth is .75 of third. so its just using the overdrive gear to split the first two gears into four ratios. basically they made a controller for controlling the gear spliting and selling it as a whole kit. i think it is a waste of money. Good info. I wonder why GM doesn’t do that from the factory? A 6 speed auto would be a nice option. --- _[View the full topic](https://forums.speedlife.net/t/tcis-new-6-speed-4l80e/201596)._