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Old 09-21-2003, 12:19 AM   #31
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I just drove up to Fargo yesterday for the Nintendo Fusion concert featuring Finger Eleven, Revis, Cold and Evanescence (good music, short 40 minute performance with bad lip syncing from Amy Lee). Round trip was about 265 miles and I averaged around 75 mph and I got 21 mpg, but that was driving with a dead alternator on the way back (stopped halfway home and bought a new battery to get me home to a spare alternator which went bad less than 10 miutes after I put it on) Thats 4 alternators in 20,000 miles -pisses me off.
Anyhow, I have got to get some sleep so I can go to town on my car tomorrow looking for bad grounds or whatever is causing the alternators go poopie. I already put a new battery ground cable harness in today (while I was swapping the alternator) as the old one had about 4 inches of bare wires right under the ECM and coils.
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Old 09-21-2003, 12:58 AM   #32
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I get about a week per tank, with a 20 minute each way, mixed traffic drive to and from work. I don't wanna do the math because it usually depresses me...
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Old 09-21-2003, 08:04 PM   #33
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with my open intake and VERY open exhaust I see about 27 on the highway, but do to lack of back pressure, i need to use my higher rpms a lot and i only see 17 in the city

that is gonna change soon when i get a high flow cat umm... installed

Lee
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Old 09-21-2003, 09:11 PM   #34
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Is this in the 95 or the 91 Jr?
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Old 09-23-2003, 02:32 AM   #35
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I get about 25mpg on a dead stock 91 LE Bonneville with 94000 miles
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Old 02-08-2004, 09:08 PM   #36
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Time to revive this post!!!

I have been consistently getting about 15 mpg this winter. Hopefully this is brought on by the winter. I have changed everything. But still need to do that darn PCV valve. I really hope this is the winter doing it. But it also seems to be because of in city driving. With all hwy i was getting at least twice the mpg. I drove 200 miles on half a tank. Which for me is usually what a full tank nets.

Any input during the winter guys???
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Old 02-08-2004, 10:09 PM   #37
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I get substantially less MPG, almost 2L per 100 kms more..overall combined hwy and city, I get almost 100 kms less in the extreme cold out of the tank.

Damn winter
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Old 02-08-2004, 10:53 PM   #38
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With the temperatures being so low. It takes longer to warm up your car, so it stays in warm-up mode running rich a lot longer than normal room temperature conditions.
I get 15 mpg as a norm. Nothing wrong with that for the pleasure it gives one to blast between intersections and ......

My Jeep 4 x 4 has a 4.0 L NA in-line six, weighs 200 lbs less, and gets worse gas mileage driving in the same conditions.
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Old 02-10-2004, 01:37 AM   #39
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i start my car in the morning and let it warm up for a good 5 min with the heater on full. Until someone tells me different I'll keep doing it.
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Old 02-11-2004, 06:28 AM   #40
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Well recently I found out that I have 3 bad coils, therefore my mpg were affected by them. I will let everyone know my real mpg after getting new ones.
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