In a message dated 7/13/2006 10:20:03 A.M. Eastern Daylight Time, echristley@nc.rr.com writes:

    I'm planning a sliding door to cut the airflow through the
    strake mounted ducts, so it probably won't matter.  I can get the
    temps
    up quickly on either one.  But I still think the oil will get hotter
    faster than the water.

Although it can be very uncomfortable, you can save a runaway over temp by turning on the cabin heater full blast. Might even save your bacon. If you have the muffler sleeve style heater no such option exists. Plus the monoxide threat is much reduced.
 
Lynn E. Hanover