My 1955 Pontiac has a dual range hydramatic, the use of power glides was because of a fire at the plant in 1954. Pontiac used differant versions of the hydramatic up until 1964? with the last series using a PARK position. GMC trucks from 1955 until 1958(?) used Pontiac V-8's and you could get a hyrdamatic transmission.
In the 1960's Pontiac used a 2 speed transmission it was not a powerglide but a version called a super turbine.
John Gott
1942 G5106 1.5-ton Chevy cargo dump Gallery pageOld Dominion Stovebolt Society T/Sgt. Gott (28 years of service with the USPP) 1940 Chevy G506 4112 cargo dump 1942 Diamond T G509 969A 4 ton wrecker 1942 Ward LaFrance G116 series 2 10 ton wrecker 1944 Ward LaFrance G116 series 5 10 ton wrecker 1931 Ford AA with a WEAVER crane 1944 Sterling HC 165 tractor 1944 Autocar U7144T w/ 10 ton trailer
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