Got a cadillac question: Have recently acquired a 1952 caddy club coupe. was told motor wasn't original. some genius (or thief) has ground numbers off the head. i know it's not original because of the script letters on valve covers instead of cursive. so what year did they change the lettering? and the big question: how do you tell the difference between the 365 and 390? She fires up and purrs like a 4,000 pound kitten. Am really curious and any info would be VERY appreciated. thanks.
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