Is there a difference from a 72 to a 73 340

all 340 have the same mounts on the motor.....K member changed from 72 to 73 so they take difference motor mounts......and you could have 318 motor mounts...the passenger side is the same...but the driver side is different on a 340 and 318.....

68 to 72 used the same mounts for the k member....73 and newer used a different mount for the newer k member...but the mounting points on the block are the same