Do you have a factory system or aftermarket underdash? In the factory AC system, 2 of the 3 grooves are used with the alternator & AC. The 3rd groove is used if you have power steering. I take it you have PS as well. FYI a special bracket is required for the PS pump to use that 3rd groove
So, i thought i'd throw it out there to y'all. Is the slant 6 crankshaft pulley unique? Are there other mopar engines i could pull one from that would be similar in size/bolt pattern?
I parted out a 66 Dart GT slant 6 with factory air and PS for use in my 65 GT. Was going to use it with a slant but changed direction and am going with a 340 in the 65 instead. I do have the 3 groove pulley and complete PS set-up to use with factory AC. Let me know if interested.