Jim Shepard Posted February 11, 2020 Report Share Posted February 11, 2020 Does anyone know what differential gearing a ‘52 Plymouth Coupe with manual transmission would have had? Quote Link to comment Share on other sites More sharing options...
Plymouthy Adams Posted February 11, 2020 Report Share Posted February 11, 2020 depends.…..with OD it would come with a 4.3 if not, the stock unit was a 3.9 and if sold specifically in a hilly area, 4.1 Quote Link to comment Share on other sites More sharing options...
Jim Shepard Posted February 11, 2020 Author Report Share Posted February 11, 2020 Thanks. Quote Link to comment Share on other sites More sharing options...
Plymouthy Adams Posted February 11, 2020 Report Share Posted February 11, 2020 you can look on top if the flat boss of the carrier and the ratio will be there....most times it will be two digits per where one two digit number is the pinion and the other is the ring...do the division for the ratio....where 10/41 will be 4.1 as an example Quote Link to comment Share on other sites More sharing options...
Loren Posted February 11, 2020 Report Share Posted February 11, 2020 I have two carriers that I've found the ratio stamped near the fill plug. A can of carb cleaner and a small wire brush revealed the ratio in about 3/16th numbers as 3.73. Quote Link to comment Share on other sites More sharing options...
Plymouthy Adams Posted February 11, 2020 Report Share Posted February 11, 2020 you lucky to have two of those...these are a bit harder to find unless you picking later 53/54 cars with hy-drive, 111 wheelbase car or mid 54 automatic. Quote Link to comment Share on other sites More sharing options...
Loren Posted February 12, 2020 Report Share Posted February 12, 2020 (edited) I just snapped a picture of the housing to illustrate where to look and what to look for. Edited February 12, 2020 by Loren improve image Quote Link to comment Share on other sites More sharing options...
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