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We just purchased a 1963 California CROWN BUS With a Mid mounted 743 cubic inch Cummins model NHH220 horizontal direct injection diesel engine. Four valves per cylinder, 220 HP at 2100 RPM. This engine is a "lay down" version of the NH220 truck engine and is mounted under the floor about 8 feet back from the front axel. With a -Fuller 5 speed transmission that can drive BOTH rear axles. The engine runs great but we can't get it to go over 57 mph. Do you know which transmissions would work with this engine, we would spend the money if we could get at least a top speed of 70-75 mph. We have fallen in love with the bus and are hoping to convert it into an RV. Any help you could offer on this matter would be greatly appreciated.
More info on the bus can be found at http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=6728&item=2430842505 |