1955 Buick Engine Maintenance
ENGINE GENERAL SPECIFICATIONS 1955 Buick Engine Specifications Except for changes described in this group, the 1955 model engines remain the same as the 1954 for all series. 2-1 COMPRESSION RATIO Series 40 Engines The Synchromesh engine has a compression ratio of 7.5 to 1, and the Dynaflow engine has a compression ratio [...]