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Message
What does the ducting to and from that evaporator core
look
like? Maybe air isn't flowing through it.
This is the most likely
problem, and what I'll look into once I prove to myself that I'm not going to
over-pressurize this new evap core. The inlet is an external scoop,
with about 12 sq in of area, and not the greatest pressure recovery shape.
The exit side is more of a problem, because it's close to the oil pan. The
whole cooler is also mounted at about a 70 degree angle to the incoming air,
which isn't helping either. I don't see much that can be done to increase
airflow to the oil cooler, except for increasing the size of the inlet
duct. I'd like to avoid this if possible, but will do it if
necessary.
I Since I have more
water, than oil cooling capacity, I have the option of changing roles for
two of the coolers. Step one will be to use the ASI method to determine
whether there's a significant difference in airflow between the 3
coolers. If the water coolers are getting much better air flow, I could
use the right cheek cooler for oil, and the chin mounted cooler for water.
That would lower the water efficiency, and raise the oil efficiency, which would
tend to balance them out. It would also move the oil cooler as far as
possible from the exhaust.
Rusty
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