he gives an exhaustive and totally incomprehensible list of the things he needs to do to get the mustang working ( `` so i 've got about three hundred hp with my trick flow aluminum heads and exhaust , and the clutch is slipping at about two-sixty horsepower in third gear , and i want the center-force aftermarket unit , but that 's a big five hundred bucks , but the way the mustang slips every time i floor it in third gear is killing me '' ) and looking `` how it 's meant to . ''