67/04gto

need some help,im butting up the finish touches of my engine rebuild,i have a 67 gto with the oringal 400 that has been rebuilt,while it was getting rebuilt the guy from the machine shop suggested i replace the timing chain cover due to corrision and cracks that where fixed by jb weld.so i bought a converstion kit for the later model waterpump set up.and as i was restoring the front frame section i converted it to non power and the car already dont have a.c.so i starting to finish up and installing th pulleysthe pulley for the water pump i receive dwith kit was for a p.s car,and it hit the pulleys for the crank,so i ordered the single grove pulleys for a 69-on non power car.gt them today and install the water pump pulley fits no prom and lines up with alt but the crank pulley they sent me doesnt line up due to being wider.what should any input would be very helpful