Originally Posted by Dave00C5

Yes i have experience with this. The C5's have a additional slip sensor which detects any additional slippage over stock. The computer then adds extra line pressure to alleviate the unknown tc slippage and then the self destruct mechanism is on the way. The car will shift so hard so fast you'd think the rearend dropped out of it. Anyhow, this literally ate up a yank 3000 in mine which mike senia of yank said he'd never seen one destroyed so badly. To make a long story short, you have to edit out or turn off this sensor with ls1 edit and you'll never have a problem. I've had several tc in mine after the yank with no problems whatsoever.