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RE: not happy with gas mileage

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RE: not happy with gas mileage - 3/11/2007 7:42:21 PM   
seiken

 

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i have found similar numbers with city driving, i have really been paying attention to highway miles as much, but i am going to visit a freind this week, 250 miles away, so i will keep track.  also my freind and i will be installing a CC so maybe the constant speed will give me better gas mileage on the way home.   in addition i will be doing the first oil change on the car, so hopefully the synthetic oil will help a wee bit too

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RE: not happy with gas mileage - 3/11/2007 9:03:48 PM   
Fish Chris

 

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Hey Seiken, of course I'm interested in how that CC works out for you, so please follow up on that.

But hey, about synthetic oil, my mechanic tells me that the "only" thing better about it, is that it lasts longer than regular oil, but since I prefer to change mine every 3,000 religiously, that wont make any difference for me anyway.
Also, he says that synthetic oil actually has more of a tendancy to burn. It will even burn a little in tight, new engines which will not burn any noticable amount of regular oil. So, my mechanic says that if a guy wants to use synthetic, and prefers to change his oil only every 6,000 or 7,500 miles, then at the very least, he should check the level once or twice between changes.

It's my belief that a motor will last longer with regular oil, changed every 3k, than synthetic, changed every 6k.

Peace,
Fish

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RE: not happy with gas mileage - 3/11/2007 11:47:51 PM   
seiken

 

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i've always changed my syn every 3000 miles anyway, i just think the engine tends to run smoother with synthetic oil, its supposed to lubricate better, and since i beat the hell out of this little engine (100 mile trip in 1 hour twice a week) i want to protect it as best i can.

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RE: not happy with gas mileage - 3/12/2007 10:49:06 PM   
moonz


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< Message edited by moonz -- 5/25/2007 2:03:54 PM >

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RE: not happy with gas mileage - 3/14/2007 12:25:15 AM   
o0_kat_0o


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Alright I keep a gas log of EVERY fill up I make on my car. How many Gallons I put into my car and what miliage is on the ODO. I have since day one and I have noticed an average 23-25 gallons.

NOW! I did just make a trip from Sac to San Fransisco and STILL averaged 25mpg. I was also driving close to 80 and 90 the whole way so it could be due to that factor also. Today I had my oil changed and next week I go back to have the water pump replaced (a sound I thought was a loose belt/bearing.. ick) I drove all day in traffic and I am averaging 25mpg still. I will drive the recommended 55-65mph for the best mpg possible and if it hasn't changed I'll just question it, along with how to reduce the appearance of those nasty scratches on the door panel.

I mean my dealer told me i would get horrible gas mileage until the engine broke in and possibly until I get my first oil change. she said then it would get the sticker MPG. I'm not too worried about it. 25mpg was better then my dodge Aries. That thing was a bucket that had a hole in it or something. I was getting close to 20mpg on that car. well at least it isnt like my moms 71 el camino.. That thing gets like 12 mpg on streets and 15 on the highway.


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RE: not happy with gas mileage - 3/14/2007 12:47:10 AM   
seiken

 

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on my 230 mile trip to carbondale i got 30mpg, averaging around 90,  the last time i made the trip i was getting around 20 mpg.  but that was with less then 1000 miles on the engine



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RE: not happy with gas mileage - 3/14/2007 2:42:32 AM   
moonz


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< Message edited by moonz -- 5/25/2007 2:04:56 PM >

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RE: not happy with gas mileage - 3/14/2007 8:36:14 AM   
07GLS

 

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I have noticed that too  how one tank last better than the other I also noticed once in a while the exhaust really smells. I was thinking of taking the car to a friends garage and getting an emission test done on it when the exhaust smells funny. I was thinking maybe there is a loose connection somewhere in the electronics I said that to the dealer and they said that the check engine light should light up if there was anything wrong.

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RE: not happy with gas mileage - 3/14/2007 1:34:05 PM   
moonz


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< Message edited by moonz -- 5/25/2007 2:08:05 PM >

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RE: not happy with gas mileage - 3/14/2007 2:58:07 PM   
seiken

 

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it may also depend on were you get the gas, if you are sometimes putting in gas that is 10% ethenol that might be giving you bad gas milage.  in the owners manual it even says something about the 10% ethenol may give bad gas mileage.  as far as some people getting better gas mileage right out of the box and others needing to break in there is an old saying that i picked up when i drove a grand prix... some cars are built on wednsday and some cars are built on friday... it seems like eventually everything levels out, so im not too worried about my friday car.

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