Total 911

997 TURBO S

HISTORY AND TECH

The 997.2 made history by being the first Turbo since the 930 in 1974 not to use a Mezger-derived engine. The water-cooled 3.6-litre flat six that Herbert Ampferer had conceived for the 996 GT3 and developed for the 996 Turbo had served its purpose. Emissions reasons alone would have justified the end of production, but not only did a brand-new power unit offer better mpg possibilities, the fresh start enabled Weissach to improve refinement and especially torque at low RPM.

The new MA1 3.8 flat six introduced with the 997 Gen2 was also conceived to be turbocharged. This led the way for the separately manufactured Mezger, which had no common parts with the M97 unit, to be replaced by an engine that suited both n/a and turbo applications. Some 15 per cent of the 136,000

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