Hello,i install 62 mm pulley after 65 and my iat s run hoter,65c in fourth gear,i have stock e55heat exchanger and can install it in front of stock cooler,have bosch 010 pump and i have question will the pump handle 2 heat exchangers and drop iat? Or water pressure will drop and there will be no effect ?ps i want to know what fuel mods i must do on 62pulley,thanks