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Message
Based on my recent experience in reducing my raditor inlet
ducting by 30 % (from a total of 48 in^2 to 33in^2 and cooling was still
adequate, you might try minimizing your inlet are first. I can't tell the
size of it but it looks to be pretty large. Since you have coolant
and oil air flowing through the one duct my estimate is that it does not need
to
total more than 72 in^2.
Hi Ed. From my
notes, the inlet is 80 sq in, which Tracy figured was somewhere around
HUGE. No doubt it can be reduced. I probably need to cover over
about a third of my radiator also, to simulate the estimated size of the
replacement "water only" radiator. This was sized to cool oil as
well, and the extra capacity is certainly
there.
As for the size of the
inlet, I wonder if it really needs to be that much larger than yours?
The oil cooler is sized larger than it needed to be, based on the fact that it
was getting second hand air from the radiator. Since the air is doing
double duty, maybe the opening doesn't have to be that much larger. For
the record, the original plan was to start huge, and experiment with
something smaller until I found the required size, then use that for the
new cowl. (extra point to John for thinking of this also
<g>).
Rusty (Tidyu for
Ed)
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