trans oil

69s1 Posted 2015-09-23 12:47 PM (#490430) Subject: trans oil Member Posts: 48 What is the best transmission fluid to use in a '55 DeSoto powerflite trans? Dex-Merc? 57chizler Posted 2015-09-24 1:18 PM (#490535 - in reply to #490430) Subject: RE: trans oil Expert Posts: 3781 Location: NorCal Dex-Merc will work fine. Type A, which was the original spec, is still available. http://www.amazon.com/Coastal-Type-ATF-qt-case/dp/B00H56D310/ref=sr... 69s1 Posted 2015-09-24 4:22 PM (#490552 - in reply to #490535) Subject: RE: trans oil Member Posts: 48 thanks for the info.....much appreciated. Mike M Posted 2015-09-24 5:33 PM (#490561 - in reply to #490552) Subject: Re: trans oil Extreme Veteran Posts: 409 Location: Tampa, Florida Type A trans fluid is also available at off brand stores/gas stations. Coastal is one of the brands. Next time you are at a mom and pop store/gas station, wander back to the automotive supplies and you may find typa A.