Quote:
1) it's different
2) passive-cooling is inadequate with the Carrera. It requires 'supercharging', if you will, in order not to 'Chernobyl' the engine.
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The provided link does not show
how it is different, it appears to address alternator efficiency. I decided to answer my own question and got this far:
https://www.researchgate.net/publica...he_911_Carrera
Quote:
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Inspite of the roughly 15% increase of the cooling-air flow through the radiators, it has even been possible to reduce the cooling drag level of the new 911 to below that of the predecessor model. The low cooling-air losses of the 911 are primarily due to the integrally designed cooling-air ducting from the inlet to the outlet openings, the large radiator areas, low internal pressure losses and mainly to the control of the cooling-air mass flow rate and cooling drag through the clearly reduced outlet cross-sections.
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I just skimmed this but no mention of a blower?