jmoran,, I know what you mean on the fan,, right now there is a flex fan on it,, they are pretty hard to get confused with only half the blade steep pitched,,
John, I've thought about coolant flow,, with the cap off as the stat opens, you can see movement, but not as you would with a crossflow rad,, this is a down flow,,I have springs in both the upper and lower hoses, otherwise I'm not sure how to test flow,,I wondered if a 292 pump flowed more?,,, also I stare at my manifold heating and wondered if I was creating a problem,, I've tapped off the right of the stat housing, through the manifold and around the back of the engine to the 5/8" heater line,, the heater line comes from the left side of the housing,,so both flows are pushing,,,? more than one time I've been told to put the stock fan back on,,probally is a worthwhile idea,, that fan I'll have to look at so it is'nt backwards,,that will also let me remove the fan spacer,,maybe some more room for the blades to work??