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I'm interested in this topic too, with a 600+ Hp EFI 930 engine getting ready for installation in my 78 930 track/street car. My interest is in keeping the front of the car as stock looking as possible, though I do have an 84 and later front valence. I have removed the fog lights and cut away the supports for the foglights to provide openings on each side. The holes measure about 9 in by 5 in if I recall. I have recently done away with the engine-mounted cooler (and replaced with a 993 oil filter console) not because of leak concerns, but because I wanted more filtration for oil entering the engine. I currently have a Fluidyne double pass cooler in the RF fender, with a Spaal fan, but I'm fairly sure this will not be adequate by itself. My interest is in avoiding a center-mounted cooler, which requires a new valance, possibly some serious body work for airflow, and it is more vulnerable during off-track excursions.
I'm considering a second "wing cooler" in the left front fender, possibly a C2/993 style unit. I'd probably have to mount it at an angle, given how small that space is. It was very interesting to see the photos in this thread provided by Bill Verburg. I have not done any serious ducting yet, but I plan to do so in order to direct the air over the cooler(s) as well as possible.
At the risk of further hijacking this thread (I hope that my discussion is relevant to the original post), does anyone have any comments as to whether this will be sufficient? Is there a better choice than the C2 cooler? Any idea what the best source is for purchasing the right cooler?
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