Getting ready to pull the trigger, and am current looking at a couple 2007 SAN 210's. I found one with an Excalibur and another with a ZR6 motor, both at similar price points... I know the pcm Excalibur has 330 hsp, and the ZR6 has 375. Is there any other differences between these two motors?? Does the ZR6 have Aluminum heads to produce the extra hsp? All input/help appreciated. Thanks!
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