Ken Welter wrote:

   Here is a couple other photos of the cooling system.
   I went to eastern Oregon yesterday and in 95 degree temps the oil
 temp was 150 and water was 180 on a long hard climb out.

   Ken Welter

Nice fan you have on the back side of the rad Ken.
If you make a new longer cowl with a smaller hole you might
cut the drag a bit without affecting the cooling and up the top speed.
I think the hole  size is a bit overkill.

Paul Lamar

   Yes a new cowl is in the winters to do list.
  Ken

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