63 Impala Convertible SS

#1
I own a 63 impala Convertible SS w a 348. Question: Does anyone know if a 409 and 348 have the same size of oil pan? I assume the only difference is the location of the dipstick port? true/not true? Does the HP make any difference to the depth and size of the oil pan? I need an oil pan for a 348 and was wondering if they are interchangable.
 
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