crazyhorse1056 109 #1 Posted April 24, 2020 I have a RJ 59 and was checking the transmission cast code and I know the first letter is the month so what would M 29-9 would the M still be for December Share this post Link to post Share on other sites
stevasaurus 23,307 #2 Posted April 24, 2020 December 29, 1959 and yes, I would call it a RJ-59 because of the casting date. They did not use the letter "I" in their date codes. Share this post Link to post Share on other sites