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Old 06-14-2012, 06:30 PM   #10 (permalink)
Sporty Modder
Sport Compact Driver
 
Join Date: Apr 2012
Location: Lolo Mt
Posts: 623

Celica Gts - '84 Toyota Celica Gts
Sports Cars
90 day: 26.32 mpg (US)

The Bee - '96 Mazda B4000 4x4 Base
Pickups
90 day: 20.39 mpg (US)
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In my experiance and from what I have read, the grill block is good for about 1/2 an mpg.
Try some coast down tests with it on/off.
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