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Old 02-21-2013, 09:40 PM   #38 (permalink)
13B_88FC
EcoModding Lurker
 
Join Date: Jan 2013
Location: Oregon, US
Posts: 43

ZoomFreakingZoom - '88 Mazda RX7 Convertible
90 day: 19.02 mpg (US)

Geo - '96 Geo Prizm Base
90 day: 32.42 mpg (US)
Thanks: 2
Thanked 2 Times in 2 Posts
Quote:
Originally Posted by ciderbarrel View Post
My lifetime average with the CAI on my Mustang has been 20.4. My last two full tanks have been with the stock airbox back on and I will do a WAI after I am done with this tank. The two stock airbox tanks were 22.4 and 22.6, (647 miles on 28.722 gallons for 22.5 MPG across these two tanks) in winter, 45/55 city/hw driving.

A comparable tank from last fall/winter was in Oct when I did 19.8 on 40/60 driving. I did a 16.3 last Feb but that was 100% city.

A comparable tank from summer was 20.7 MPG on the 3rd of July with 50/50 driving.

I love that I'm beating a warm weather CAI tank in winter with the stock airbox.
What kind of cold air intake is it? Is it just heatshielded or is it taking air directly from the outside?
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1988 rx7 convertible. Streetported, racing beat header and presilencer replacing all 3 catalytic converters. Atkins 6 port sleeves. K&N cone filter intake. 22mpg average, 27mpg max. Spreadsheet (updated regularly):
https://dl.dropbox.com/u/5310442/198...%20mileage.xls
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