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they say air cooled, so my guess is the heads are oil-cooled. there are pumps on the heads that look like scavenge pumps to me.
air cooled heads with 4 valves would not work (Porsche found that out in the 70s thanks to Herr Metzger).
their clientele would not go for a wet motor, air and oil only.
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1971 911S, 2.7RS spec MFI engine, suspension mods, lightened
Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance
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