[rao]

The owner kept breaking the output shaft on the auto transmission (the car was on it's 3rd transmission, a very expensive fully built racing type, which wasn't all that pleasant to drive) and any upgrade would have required a different transfer case (you an do a 4L80E to the Hummer xfer case but the output shaft on the 4L80E has to be turned down defeating the purpose) and he wanted a manual transmission.