At 01:38 PM 6/6/2005, you wrote: >Turboglides came out in the 1957 Chevy! The last was 1959? or maybe >61.... 1961 so qualifies. Usually found behind 348-409s. Easy to spot by the Gr (grade retard) intead of L on the shift quadrant. Incredibly low 1st gear, about the same as the RotoHydramatic (Slim Jim) endowed upon SWB Pontiacs which may have been a close relative. Padgett