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Old 04-24-2016, 08:30 PM   #1 (permalink)
He-man
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Join Date: Mar 2016
Location: Washington
Posts: 55

Rocket - '99 Chevrolet Corvette
90 day: 31.51 mpg (US)

Pooter - '01 Honda Insight
90 day: 66.9 mpg (US)
Thanks: 13
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First finished mod!!!! Full exterior lower grill block. :)

So for the grill block i read that a lot of people like to do the block behind the grill to maintain a stock look but i didn't think that there would be much of a difference with that grill placement so i decided to get the drill out and start drilling holes and zip tying my way to more earth friendly efficiency

I was also lucky enough to find black Coroplast which made me happy because the white would just look bad but this kinda looks OEM if you are 20-30+ feet away.

I have not done any testing but during the 15 miles I've driven i haven't noticed a difference at all in temps or mpg, but that was all in city. I feel like i may see around a 1 mpg difference from what i have read, being optimistic maybe 2-3. Just by looks this seems like it is a lot more aerodynamic than the OEM number scooping up all that air.

The other mods i have planned are a full underbelly pan, haven't decided between Coroplast or aluminum yet. And i have been installing the Rostra cruise control system for about a month now having all kinds of issues that are getting sought out thanks to Kartronix on eBay.

Here is a link to his eBay store and i would really recommend that you go through him if you are buying a cruise control unit.
kartronix on eBay





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aerohead (04-26-2016), BamZipPow (04-24-2016), Ecky (04-25-2016)