08-05-2010, 09:46 PM
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#1
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Registered User
Join Date: Jul 2009
Location: Kansas
Posts: 83
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I red-line my 2.7 several times a day and no problems so far.
Letting the rpm drop below 3k is dissapointing since the power just isnt there if you need it.
i have been getting 19-20 mpg lately though
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1983 928 S Euro- fun to work on
2002 Boxster- fun to work on, being able to drive it is a bonus
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08-05-2010, 10:30 PM
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#2
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Registered User
Join Date: Jul 2010
Location: Bedfordshire UK
Posts: 31
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Manual Mode and high Revs!
I've only recently taken ownership of my Boxster and reading the post on " Tiptronic in Manual Mode", I have just discovered a whole new car when driving in lower gears in manual between 5,000 and 6,500 revs (I think my 2.7 red-lines at 7,000?). Enormous fun, but still couldn't quite bring myself to take it right up to the Red-Line yet. Guess I'm still worried the engine will come out of the car over my left shoulder (UK).
Gentle driving in Auto is giving me around 26MPG, driving like last night probably around 21MPG.....but hell, its only fuel!!
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My Other Porsche Is A Ducati
Last edited by BoxsterDuke; 08-05-2010 at 10:38 PM.
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08-05-2010, 10:40 PM
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#3
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Registered User
Join Date: Aug 2008
Location: Arizona
Posts: 402
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Quote:
Originally Posted by BoxsterDuke
I've only recently taken ownership of my Boxster and reading the post on "Tiptronic vs Manual", I have just discovered a whole new car when driving in lower gears in manual between 5,000 and 6,500 revs (I think my 2.7 red-lines at 7,000?). Enormous fun, but still couldn't quite bring myself to take it right up to the Red-Line yet. Guess I'm still worried the engine will come out of the car over my left shoulder (UK).
Gentle driving in Auto is giving me around 26MPG, driving like last night probably around 21MPG.....but hell, its only fuel!! 
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Ahh silly Europeans and your different MPG measuring and fuel octanes. Us in America can manage maybe 22 MPG on the combined cycle if we drive like grandma's.
Do it when you're ready, but building trust with your car often requires for you to explore its limits.
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08-06-2010, 02:04 PM
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#4
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Track rat
Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
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Ummm, I guess I generally avoid redline (6500). Sometimes I will hover above 6k for a bit at the end of a long straight when I don't want to upshift just before a braking zone. My sweet spot is 4-6k and I tend to do all my performance driving there. I think max torque on my car is 4800 and it feels like it falls off a little above 6k so that is where I usually reach for another gear.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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08-07-2010, 05:19 AM
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#5
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Registered User
Join Date: Apr 2008
Location: Southern New jersey
Posts: 1,054
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All I can say is, I'm glad my '06 2.7 has a rev limiter, sometimes I lose track of the RPM exiting a corner! At 7k it feels like it wants more!
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08-07-2010, 05:53 AM
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#6
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Registered User
Join Date: May 2010
Location: UK
Posts: 874
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Quote:
Originally Posted by Topless
Ummm, I guess I generally avoid redline (6500). Sometimes I will hover above 6k for a bit at the end of a long straight when I don't want to upshift just before a braking zone. My sweet spot is 4-6k and I tend to do all my performance driving there. I think max torque on my car is 4800 and it feels like it falls off a little above 6k so that is where I usually reach for another gear.
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Yup, pretty much my findings exactly. I change up at 6k - it will rev out reasonably well 6k, but it is beginning to go off just a little, so I prefer not to wring it out all the way to the limiter. as you say, 4-6k is where it's at in the 2.5.
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Manual '00 3.2 S Arctic Silver
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08-31-2010, 04:20 AM
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#7
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Registered User
Join Date: Jul 2010
Location: Bedfordshire UK
Posts: 31
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Quote:
Originally Posted by Lordblood
Ahh silly Europeans and your different MPG measuring and fuel octanes. Us in America can manage maybe 22 MPG on the combined cycle if we drive like grandma's........
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Had a real Grandma weekend, drove at around the 80-85mph mark North up our M1 Motorway on Saturday, then back on the Sunday. Kept it at this to see how the range of the tank worked out.....320 miles with a further 42 miles to empty. That was however on the higher octane unleaded which I switched to a month ago. Didn't want to push it to 360 miles in case I sucked a load of crap into the car.
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My Other Porsche Is A Ducati
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08-31-2010, 04:32 AM
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#8
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Registered User
Join Date: Jun 2004
Location: Des Moines, IA
Posts: 8,083
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I had a nice 911 coupe several years back with a tip. I took it up to Riverside CA and back on a trip. Steady 75 or 80 both ways.
28 MPG. I thought that was pretty good with the A/C on all the way.
Economy car.
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Rich Belloff
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08-31-2010, 05:43 AM
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#9
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Registered User
Join Date: Jul 2010
Location: Bedfordshire UK
Posts: 31
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Quote:
Originally Posted by Brucelee
I had a nice 911 coupe several years back with a tip. I took it up to Riverside CA and back on a trip. Steady 75 or 80 both ways. 28 MPG. I thought that was pretty good with the A/C on all the way....
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It's great to know we can ring it's neck in Manual and enjoy the rush 6500-7000 revs delivers, at the cost of some fuel, or drive sedately in Auto and get 27-28 MPG......what a brilliant sports car!
__________________
My Other Porsche Is A Ducati
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08-31-2010, 06:07 AM
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#10
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Registered User
Join Date: Oct 2008
Location: San Diego
Posts: 434
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If you're not bouncing off the rev limiter, you're doing it wrong.
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1999 Carrera 4 • Aero kit • 4" UD Pulley
My Corvette doesn't leak oil... it sweats horsepower.
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08-05-2010, 10:37 PM
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#11
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Registered User
Join Date: Aug 2008
Location: Arizona
Posts: 402
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Quote:
Originally Posted by al83s
I red-line my 2.7 several times a day and no problems so far.
Letting the rpm drop below 3k is dissapointing since the power just isnt there if you need it.
i have been getting 19-20 mpg lately though 
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Wow, I cruise at 2k constantly after hard acceleration, and only get 18 MPG. Time to up cruising rev's and see how I do :P.
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