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Old 03-21-2014, 12:17 PM   #13 (permalink)
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Join Date: Mar 2014
Location: SUNNY Sequim, Wa
Posts: 238

Cavalier of D00M - '05 Pontiac GTO LS2 T56
90 day: 23.2 mpg (US)

The New One - '10 Toyota Prius II
90 day: 51.55 mpg (US)

Chick Magnet - '91 Geo Metro 3cyl/5sp
90 day: 48.07 mpg (US)
Thanks: 79
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Originally Posted by MetroMPG View Post
That's why the car guys & girls are now putting active shutters on newer cars. Because it's a big waste to have a gaping open maw on the front of the car all the time. And a variable block still permits "worst case scenario" operation.

If your driving isn't "worst case", you're safe to partially block the grille if you do it progressively and monitor the results.

good point

it's still hard to get away from "making power" mindset
(Cold Air Intake, Lower Temp Thermostat, Water Wetter, to get that cold dense oxygen rich air into the combustion chamber)

just topped my truck off for the first time
kinda curious how she does on mostly highway
(drove her 60 miles yesterday, and will do another 150 today)
she's only a 7.3L
2005 GTO 6.0 V8 (600hp)

1991 Geo Metro 1.0 3/5 base

2010 Prius II (replaced 2001 Tahoe 5.3 V8 April 2014)

1994 F-350 7.3 TurboDiesel (Rollin' Coal)
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