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Silver3s · 09-13-2010, 09:38 AM

The biggest problem for modern car's fuel economy...WEIGHT. By downsizing to 4 cyl turbo they save some weight versus the 3.5L 6 cyl NA in your example while producing similar performance numbers on paper.

09-13-2010, 09:38 AM	#7
Silver3s Private 0 Rep 91 Posts Drives: Now:08 e90 335 Old:e46 & e36 Join Date: Apr 2006 Location: Cincinnati iTrader: (0)	The biggest problem for modern car's fuel economy...WEIGHT. By downsizing to 4 cyl turbo they save some weight versus the 3.5L 6 cyl NA in your example while producing similar performance numbers on paper.
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