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Old 07-30-2012, 05:04 PM   #11 (permalink)
redorchestra
heading for 40
 
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Join Date: Feb 2012
Location: Car Free Island
Posts: 163

Hong Kong MTR - '98 Bombardier/ nee Adtranz A-Stock 5 paired doors
90 day: 102.63 mpg (US)
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Quote:
Originally Posted by LocoJason View Post

"Adding a shallow, 2
diffuser under the
rear bumper
reduced CD by a
further 6%"

No picture of this diffuser though? For a whopping 6% change, I would think it would be shown.
and that was a FURTHER 6%, so a total of 8.4% for box cavity and diffuser.
I think it is worth a try for a 2000km trip. I just hope it will stay on with suction cups and magnets.

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