by ford69557ci » Sat Nov 17, 2007 5:54 pm
i have never had a hx40 on a cummins but i did run one on an eclipse that i built. what i found on the dyno with that engine was the 6 blade spooled slower but made more top end power and the eight blade spooled faster but made less on the top. hope that helps
92 w250, NV4500, D80, maxed pump, AFC gone, extended fuel screw, more to come.