Buly,

    Before you make any changes, install a pressure differential  system
    to measure the inlet pressure, pressure under the cowl on the
    'downstream' side, and static pressure. Then make a flight and
    record the data . You need to have this as a base line for any
    changes to see if the problem is being made better or worse. Some
    changes that seem 'obvious' have a negative effect. The only  way to
    be sure is to make the measurements.

    Bill Schertz

Hi Bill,
I have good cooling performance when flying and even if I'm facing
the wind, on the taxiway I'm fine.
If I'm waiting for takeoff and have my back to the wind, or even taxi
downwind, I can see the temp's
ticking up. So, obviously there is no movement of the air thru the
cores. I don't think even the irrigation system will make too much
difference
if the air is not moving. BTW  I have installed two fogging nipples
on the radiator, but still have to buy a pump and wire it up.
Will keep you posted.
Buly


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