Studebeggar Posted September 26, 2022 Share Posted September 26, 2022 230 ? 250 ? Link to comment Share on other sites More sharing options...
keithb7 Posted October 3, 2022 Share Posted October 3, 2022 I suspect it is a 251 ci. What year was the S15? Should be a 25” block. Stock bore 3 7/16”. Stroke 4 ½”. see here: http://wildaboutcarsonline.com/members/AardvarkPublisherAttachments/9990495639583/1952_DeSoto_Info_1B.pdf Link to comment Share on other sites More sharing options...
Studebeggar Posted October 16, 2022 Author Share Posted October 16, 2022 thanks much..just got a 37 desoto s3 convet coupe it has the s15 mill..sc Link to comment Share on other sites More sharing options...
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