Quote:
Originally Posted by winmutt
61x is a tractor motor. 60x is a slightly refined tractor motor. Personally I prefer 60x for crossflow. Everything else is either easier on the 60x or about the same from a PITA standpoint...
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I dont think we can lump all 60Xs together now. 601,603,602 yeah pretty simular to 617. but 605,606 are a good bit more advanced. DOHC!