![]() ![]() ![]() The 911T continues to use Weber carburetors.ġ970: A new 2.2-liter flat-six is dropped into the 911T, 911E, and 911S the block is again magnesium and the basic aluminum head design is shared across the range. ![]() All 911 engines switch from aluminum blocks to magnesium, and power rises to 125 ponies and 131 lb-ft of torque on the 911T, 158 horsepower and 145 lb-ft on the 911E, and 190 horsepower and 152 lb-ft on the 911S. market thanks to stricter emissions standards the base model is rechristened 911L and gets no engine changes.ġ969: Porsche brings back the 911S, now with an emissions-compliant Bosch fuel-injection setup shared with the mid-level 911E. A higher compression ratio, as well as changes to spark and cam timing and the carburetors, contribute to the added power.ġ968: The 911S is pulled from the U.S. 1964: The 911 enters production with a 2.0-liter, air-cooled SOHC flat-six making 148 horsepower and 140 lb-ft of torque.ġ967: Porsche adds the sportier 911S to the range with a modified 2.0-liter making 180 horsepower and 144 lb-ft of torque. ![]()
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