yeah you dont have a tivct engine.
did you leave the battery disconnected for 10-15 minutes to reset the comp?
make sure everythings tight. if you want to see if its tranny related just swap back to the stock setup for a few days to test.
==2012 Kona Blue Mustang V6==
==1995 Light Iris Neon Coupe==
==2005 Sangria Red ZXW==
Sold but not forgotten: 2001 ZX3, 2007 ZX3, 1972 Skylark