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Old 06-28-2008, 12:04 AM   #3 (permalink)
johnpr
Master EcoModder
 
Join Date: Jan 2008
Location: appleton wi, for now
Posts: 363

pontiac trans am - '00 pontiac firebird trans am

jeep 1 - '02 jeep wrangler
90 day: 16.76 mpg (US)

jeep 2 - '07 jeep wrangler x
90 day: 19.39 mpg (US)

Toyota - '09 Toyota Corolla lx
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interesting, i know that in the performance world ram air really doesnt make much of a difference, in fact a trans am ws6 (only real performance difference being ram air) is equal to a regular trans am on the drag strip.

but for fuel economy im sure minimizing the pumping losses must help but whether or not it is measurable is going to be another story.
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