As everyone knows...... I have everything to build a Bad ass 4l60 with a Brake all the best parts less billet imput/outputs ......I made the choice of going to the 4l80 because the conversion was next to free and i was able to Sell my T brake and get another for the 4l80...... I really miss the 4l60 !!!!!!!!! ALOT less converter Drama.... Sorry about your Luck Moze but next thing that should be check is the Tune.... make sure you dont have Crazy pressures and Lazy shift settings..... add alot of stain of trans thats useless