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Old 11-26-2008, 09:57 PM   #19 (permalink)
93Cobra#2771
EcoModding Lurker
 
Join Date: Jul 2008
Location: Sweetwater, TN
Posts: 74

The Green Hornet - '96 Ford Escort Wagon LX
90 day: 39.26 mpg (US)

The Red Rocket - '96 Geo Metro Base
90 day: 53.07 mpg (US)
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I'll wager when you compare the weight difference between the old and newer escort, you will find the culprit. I did have a bookmark showing weights of different year escorts but I'm not sure where it went. I want to say there was at least 100# different.

Often, as carbed engines age, their a/f will start going leaner (vacuum leaks will cause this often). A carb cannot compensate for a vacuum leak, while FI can and often does compensate.
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