THE TRANNY CURTIS IS USING IS AN AW 30, NOT THE 4L30. WE WERE MESSING AROUND WITH THE 4L30. JUST USING IT FOR SOME MEASURE MENTS , HE HAS BEEN TINKERING WITH THAT COMBO FOR 2-3 YEARS SO IT IS EASY TO FORGET , YOU HAVE TO REMEMBER CURTIS HAS SO MANY PROJECTS GOING THAT HIS MIND SLIPS SOMETIME HEHE LIKE MINE JERRY