I'm so cheap :oh:

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Oct 17, 2003 | 11:25 AM

#11

brtecson

pukimonster

Joined: Jun 2002

Posts: 9,967

Likes: 2

From: Milwaukee, WI

Quote:

Originally posted by DakarM
most combustion engine is not the most efficient at idle or just off idle.

with the M coupe I get 26-27mph when i'm cruising at 80-85mph on the freeway. if i slow to 70-75mph the mpg stays the same or drops by 1mpg.

80-85mph ~ 3400rpm in my car

german gear ratios = teh :thumbup:

autobahn ownerages:rick:

Oct 17, 2003 | 11:28 AM

#12

Thread Starter

snitches get stitches

Joined: May 2002

Posts: 49,696

Likes: 1

From: Portland, OR

ok i think I'll stop doing that :happysad:

eh oh well, its not like I even pay for gas :exnbp:

Oct 17, 2003 | 11:28 AM

#13

DakarM

Joined: Oct 2000

Posts: 44,908

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From: Location Location

Quote:

Originally posted by brtecson
german gear ratios = teh :thumbup:

autobahn ownerages:rick:

:werd:

the car pulls pretty strong in 5th as long as it's above 3000rpm

1:1 5th gear

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Quote:

Originally Posted by WiLL

...I really wanna get out and shoot people.

Oct 17, 2003 | 11:29 AM

#14

Tirod

Senior Member

Joined: Jan 2001

Posts: 13,540

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dont use 5th below 50

Oct 17, 2003 | 12:00 PM

#15

BonzoAPD

Senior Member

Joined: Mar 2002

Posts: 16,353

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From: Ossining, New York

saving the tranny > saving a few cents in gas mileage

:doh:

Oct 17, 2003 | 12:53 PM

#16

hollaboyz

Banned

Joined: Sep 2003

Posts: 361

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doesn't it work the sam way as gearing down? you gear down, you dont waste more gas. i cant see being in 5th giving you that much better of fuel economy. if you floor it in 5th, aren't you opening up your injectors and injecting way more gas into your engine? im no expert though

Oct 17, 2003 | 02:17 PM

#17

g2tegls

MR, ftw

Joined: Jun 2002

Posts: 4,757

Likes: 0

From: Broomfield, CO

I got about 33 mpg by keeping the rpm generally below 3000 for a week. That was in my 90 Teg LS.

Oct 17, 2003 | 02:29 PM

#18

S2Kev

Senior Member

Joined: May 2002

Posts: 4,019

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From: Bay Area, CA

Quote:

Originally posted by hollaboyz
doesn't it work the sam way as gearing down? you gear down, you dont waste more gas. i cant see being in 5th giving you that much better of fuel economy. if you floor it in 5th, aren't you opening up your injectors and injecting way more gas into your engine? im no expert though h:

You use more gas in lower gears because the engine turns faster than the gears in the transmission. This is called gear reduction. In lower gears, you need more torque to make your car move. In an overdrive gear (generally 5th gear), the engine turns slower than the gear in the transmission so you are using less gas. You don't need much torque anymore because your car is moving fast.

Hopefully that makes sense to you.