The problem with the Doty pulley is, it's a smaller diameter than the stock pulley. Turns the water pump slower. I think it's the cause of my low speed issue of running hot.
Spiff,,,it's the other way around. It's like the pulleys On the the top of the blower,Big on the bottom,,small on top.
HEMI-ITIS has no cure. My condition is fully BLOWN!!