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Old 10-01-2004, 02:05 AM   #1
Scooby Newbie
Member#: 71495
Join Date: Sep 2004
Location: S.F., CA
1999 Impreza 2.5RS

Default '99 2.5 RS: Bad gas mileage + rpm info

Wondering if someone could help me with some info from there '99 2.5 RS. What is your RPM on the highway at about 65 mph? My subie is at about 3000 rpm, is this normal?

Also, does anybody have a rack on there car? Like a yakima or thule. Do you notice a drastic decrease in gas mileage when the rack is on your car? I'm getting a decrease of about 40+ miles per tank. Anybody see the same thing?

Thanks, any info will help
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Old 10-01-2004, 02:08 AM   #2
Scooby Specialist
Member#: 15393
Join Date: Feb 2002
Chapter/Region: Tri-State
Location: Nassau County, LI
MY00 2.5RS Coupe 5MT
Silverthorn Metallic


in my car it runs 3000RPM exactly at 67mph in 5th gear. I would say 2900RPM for 65mph?

I dont have a rack, sorry
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Old 10-01-2004, 02:43 AM   #3
Scooby Guru
Member#: 51940
Join Date: Jan 2004
Chapter/Region: NESIC
Location: Brighton, Ma


i know at 112Mph, my car is around 4100.....

however...at 65 MPH my AUTOMATIC is about 3000, maybe 3100 or so...

and to roof rack thing makes sense.....to get some , if any MPG back, reset the ECU.
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