Once again, our discussions have turned into the sharing of informative, factual accounting about our beloved in a world environment and not just the "relevant" market. Thanks. I am enjoying this chat. I think the point we are missing about the four speed transmission in the American market is that it didn't matter. The Datsun 240Z (HLS30U) didn't need a five speed transmission to BLOW off the competition - two time national champion in the first two years since introduction. Whether or not the American market was sophisticated enough to demand a five speed is irrelevant. The 240Z surpassed everything in its class and kept up with sports cars well outside it's class (read Corvette) perfectly without any perceived performance enhancement of a five speed - close ratio or not. In 1970, Americans were lucky to get a four speed. Most everything from Detriot that closely resembles the Datsun 240Z class came with three-speeds. The HLS30U / 240Z was so perfectly suited to the American market that it sold in droves propelling it to fame. If you think about it, a 432 Fairlady would have been dangerous. It is a GOOD thing that Americans got four speeds! All in the best of fun, Chris