10-19-2007, 06:07 PM
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#1
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Registered User
Join Date: May 2007
Location: Suwanee GA
Posts: 87
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My average mileage with the S is 23. With my 2000 Boxster it was 26. However, unless you have an accurate easy to measure your mileage, such as with a GPS, your mileage records might not be accurate. I have known that my speedometer was high, thus my odometer was reading high. With the help of the local PD I took readings on my speedometer today. At an indicated 50 my actual speed was 46. This is a huge error, in my opinion. roughly 8% at that speed.
Are there speedometer gears available for the Boxster S that I can use to adjust the indicated speed?
Tom
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10-19-2007, 06:15 PM
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#2
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Registered User
Join Date: Jul 2004
Location: Houston, Texas
Posts: 7,243
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Best 28, going downhill all the way on the freeway with cruise control from Albuquerque to Dallas. Sizable drop in elevation.
Worst? 12 mpg on the tail of the dragon. Worth every penny for overpriced $3.50 per gallon premium!
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10-19-2007, 07:20 PM
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#3
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There Is No Substitute.
Join Date: May 2007
Location: West Coast
Posts: 3,253
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During a road trip my OBC read 511 miles until empty for about 15 minutes after I filled up, then I actually started driving and it decreased to about 320. But my average mileage on a tank is about 280, which seems normal, and much better than some other sports cars. 
__________________
1999 Ocean Blue Metallic Boxster - blueboxster.com
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10-19-2007, 09:15 PM
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#4
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Registered User
Join Date: Sep 2006
Location: Los Angeles
Posts: 373
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15 mpg here. My commute is 2 miles every day, and the fact my engine never warms up shows 
Also think bad O2 sensors are not helping, I'm wondering how much it'll help when I replace them.
-David
__________________
1995 Silverado V8 - Green/ Tan (FOR SALE)
2000 Boxster S - Ocean Blue/ Graphite Grey
2002 GSXR750 - Blue/White
http://www.darkoven.com/sig.jpg
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10-19-2007, 10:33 PM
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#5
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Registered User
Join Date: May 2006
Location: North West,UK
Posts: 123
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Mine are Imperial Gallons not US, but they are close.
Best 31.5 on a 400 mile trip
Worst 9.1 on a track event
$3.50 a gallon, I wish. Its 1.05 GBP for a litre of Shell Vmax (99 RON), 4.54 L to a UK Gallon equals 4.55 GBP per gallon which at exchange rate of 2.05 is 9.77US per gallon. The kicker is that most of this is tax.
I am going to do a Thelma and Louise now
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10-20-2007, 02:53 AM
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#6
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Guest
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Quote:
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Originally Posted by David N.
15 mpg here. My commute is 2 miles every day, and the fact my engine never warms up shows-David
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David, this has got to be a major killer for a car...especially our Boxsters. You need to find a longer way to work! 
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10-20-2007, 02:51 AM
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#7
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Guest
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Quote:
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Originally Posted by RandallNeighbour
Worst? 12 mpg on the tail of the dragon. Worth every penny for overpriced $3.50 per gallon premium!
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+1 
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10-20-2007, 05:29 AM
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#8
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Registered User
Join Date: Aug 2007
Location: Aberdeen, Scotland
Posts: 137
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Quote:
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Originally Posted by RandallNeighbour
Worst? 12 mpg on the tail of the dragon. Worth every penny for overpriced $3.50 per gallon premium!
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you lucky buggers we pay about £5.00 a gallon for premium, work it out $9.50
dont you ever complain, EVER. lol
J
__________________
Had:
95 Vauxhall Tigra
99 DC2 Honda Integra type R
00 Audi TT 180 coupe
02 DC5 Honda Integra type R
01 Alfa Romeo spider 3.0 V6
01 Honda s2000
03 Audi TT Roadster 225
02 Porsche Boxster S silver/red Rolling on 19's
No w:
http://img.photobucket.com/albums/v4.../mycayman1.jpg
07 Cayman Guards Red/black on 19's
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10-20-2007, 08:56 AM
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#9
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Registered User
Join Date: Sep 2006
Location: chicago
Posts: 3,510
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Quote:
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Originally Posted by Bambino Don
you lucky buggers we pay about £5.00 a gallon for premium, work it out $9.50
dont you ever complain, EVER. lol
J
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now that SUX.
but if i had to pay that much for gas, i wouldn't drive anything else but a box
__________________
http://i34.tinypic.com/157yslk.jpg
"I couldn't find the sports car of my dreams, so I built it myself." ~F. Porsche
Gemballa springs::litronics::Eurotech 18s(275/225)::B&M::MOMO wheel::
exhaust cutouts::EVOcoldair intake::OEM smoked tails & sidemarkers::
colormatched bumperettes::Top Speed Pro-1 exhaust::
my cardomain/pictures page
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10-22-2007, 01:42 AM
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#10
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Registered User
Join Date: May 2002
Location: San Jose
Posts: 1,889
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99.9......
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10-23-2007, 01:48 PM
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#11
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Registered User
Join Date: May 2007
Location: Puget Sound
Posts: 176
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Tool Pants, I'm trying to figure out where the half-mile-long hill is near San Jose.
One our first road trip with my wife, I got 26 mpg. A month later, on a trip alone, I got 29 mpg. What is Porsche trying to tell me? 
__________________
- Jim
2000 Boxster S, Speed Yellow, Michelin AS/3 tires, 60,000 miles...
... and climbing.
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10-23-2007, 01:49 PM
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#12
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Registered User
Join Date: Sep 2006
Location: chicago
Posts: 3,510
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Quote:
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Originally Posted by OldBlevins
Tool Pants, I'm trying to figure out where the half-mile-long hill is near San Jose.
One our first road trip with my wife, I got 26 mpg. A month later, on a trip alone, I got 29 mpg. What is Porsche trying to tell me? |
ouch!
those germans
__________________
http://i34.tinypic.com/157yslk.jpg
"I couldn't find the sports car of my dreams, so I built it myself." ~F. Porsche
Gemballa springs::litronics::Eurotech 18s(275/225)::B&M::MOMO wheel::
exhaust cutouts::EVOcoldair intake::OEM smoked tails & sidemarkers::
colormatched bumperettes::Top Speed Pro-1 exhaust::
my cardomain/pictures page
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