Hi Keith,I don’t have one in front of me now, but there is no different casting number for 300’s. All the differences on 300 transmissions were internal. They do have a different part number stamped on the right oil pan rail. 1957 and 1958 is 1854123, according to George’s research. There were only 3 different casting between 56 and 61. 56 was by itself, 57-mid 59, and mid 59-61. The last two were the change in how the shift cable entered the trans. Casting numbers are on the left side of the case, usually but not always with a casting date.DonSent: Monday, November 14, 2016 5:48 PMSubject: [Chrysler300] Torqueflite casting number
H Gang,
Someone gave me a casting number I need to look for a year or so ago, and I've misplaced it.
The Torqueflite for a '57 300C is said to have a different casting number from the standard models. As I am looking at old Torqueflites, I would appreciate it if someone can provide this number to me again so I don't end up with the wrong model.
Thanks.
Keith Boonstra
Holland, MI
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