Hello -
On my home to work route I got 61.8 MPG today. That is 0.2 MPG below my all-time record. What is interesting to me is that I had been driving without my rear wheel skirts for the last two weeks (removed for car wash and wheel rotation). :
1999 Saturn SW2 Trip Log : home to work ; 2009/03/25
Quote:
ROUTE : 10 West -> 710 South -> 105 West -> 405 South -> Exit Freeway => Roughly 27+ miles
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NET ELEVATION CHANGE : ~210 feet drop
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SCANGAUGE "CURRENT" READINGS :
61.8 MPG,
0.4 Gallons,
206 Water Temp Max,
27.7 Miles,
2079 RPM Max,
0.5 Hours,
59 MPH Max,
47 MPH AVG
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IAT READING : Hot Air Intake + dynamic grill block led to Input Air Temp readings of around 140+ degrees F.
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WEATHER(.com) :
72.5 degrees F,
Sunny to Fair,
18.5% Humidity,
27 degrees F Dew Point,
30.045 in. Pressure,
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TIME : ~11:16 AM to ~11:46 AM (PST), ~30 minutes
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RECENT CAR CHANGES : I had just restored my rear wheel skirts. They were off for a week or two because I had my wheels rotated and a car wash. I went to an increased oil filter size on my last oil change. I also have a "dynamic grill block" mod that I haven't published yet.
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HYPOTHESIS : "Good" Goldilox traffic (not too pushy). Bone dry weather. If I had a snail to follow, I think I would have hit my record.
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I think that without the skirts, at my *minimum* assumption of a 1.36% gain, I would have lost 0.84 MPG, which would have knocked me just below 61 MPG.
There are a few other small mods I need to publish, but I think this is pretty neat.
CarloSW2