S. Cadillac power steering. shorter flame travel, it improves part- throttle ignition characteristics. ... The trend toward higher compression ratios is putting a severe strain on the conventional six-volt ignition system that ... is offering, in response to consumer demand, fluid drive on cars equipped with manual transmission and overdrive. No particularly new developments are noticeable in regard to automotive transmission, though Buick has come out with a more efficient Dyna- flow unit.