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Joined: Oct 2003
Posts: 5,143
Addicted CEG\'er
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OP
Addicted CEG\'er
Joined: Oct 2003
Posts: 5,143 |
By accident on my last fill up I put in Prenium gas, I was down to about a quater tank so when I filled I pretty much got an entire tank of Prenium, 92 octane. it was only like $.20 more a gallon and cost me about $24 to fill up, so I just said "whatever" and drove like that... after a couple of days I noticed a few things, I had more throttle response, the engine revved a little more freely. But the thing that really caught my eye was Gas mileage, I know it is an urban legend that running prenium in a car that doesnt need it can increase gas mileage, but mine has significantly increased, on regular with a full tank on lead foot miles I get about 23 MPG all city driving. I get about 100 miles to a quarter tank, I looked down and observed, and my first quarter tank had given me 125 miles, and the mileage is continueing to impress me. I have never gone this long on a full tank of gas... Does anybody have similar experiances to share with gas? Ill post a more solid figure the next time I fill up, but I can tell that the milage is signnificantly higher then it has been, and im trying to determine if running prenium will be done from now on after this point... Thanks guys.
98 Corolla LE 1.8L DOHC 1ZZFE
TEIN H.Tech Springs
Tokico HP series Struts
Short ram air intake
Tsudo Axel Back Exhaust
... if a jelly fish stung me.. would you pee on the wound?
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Joined: Jun 2004
Posts: 3,065
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Jun 2004
Posts: 3,065 |
Premium burns hotter, and isn't a bad idea to run a tank very occasionally to burn up some crap in the engine. If you had some stuff in there, it may have gotten rid of some of it. I still dobut premium could make a signiifcant difference in gas mileage though. The difference could have been from your driving style, temperature, etc.
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Joined: Jul 2000
Posts: 3,465
Hard-core CEG'er
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Hard-core CEG'er
Joined: Jul 2000
Posts: 3,465 |
won't hurt to use it from time to time, it will clean things out. but I wouldn't use it all the time unless you get a chip for the computer
2003 Subaru WRX some mods
Even if you don't have the answer, you certainly have to admire the problem.
aka ZetecRacing
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Joined: Sep 2004
Posts: 498
CEG\'er
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CEG\'er
Joined: Sep 2004
Posts: 498 |
why would you need a chip to run cleaner fuel??
i run premium in my car all the time, it runs alot better.
96' ATX Zetec- stock
96' ATX Zetec- Modded
Kenwood KDC-319
5.75"-2 MTX 12's
Roady XT
Custom door panels
Mystique Cluster/oil pressure
Getting repainted(in primer)
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dingless
badgeless
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Joined: May 2002
Posts: 21,653
I have no life
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I have no life
Joined: May 2002
Posts: 21,653 |
Originally posted by ZetecGL:
why would you need a chip to run cleaner fuel??
i run premium in my car all the time, it runs alot better.
Higher octane does not equal cleaner fuel. Higher octane equals a slower burning fuel. A slower burning fuel is only good for cars tuned for it OR cars that have some sort of problem.
Your car has some sort of problem.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15
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Joined: Aug 2002
Posts: 1,224
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Aug 2002
Posts: 1,224 |
Originally posted by ZetecGL:
i run premium in my car all the time, it runs alot better.
I also run premium all the time. I think that the Zetec has a very touchy knock sensor. With crap 87 octane, you get minor deto causing the PCM to pull spark and add more fuel. This kills your power and hurts your mileage.
BTW, I get about 25mpg city. I also have a Pb foot. Actually I think I may have a mercury foot. (heavier than lead  )
BP
Last edited by ButtonPuncher; 02/26/06 03:35 AM.
Ben ---'96 Contour GL * Zetec ATX * Tan on Black steelies---
+++JRSC M62 Under Construction+++
My big-a$$ mod list. 
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Joined: Dec 2005
Posts: 246
CEG\'er
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CEG\'er
Joined: Dec 2005
Posts: 246 |
Yep premium for me too. Oh wait I do have an svt, but you don't need a chip to run premium.You zetec guys can run it all the time with out a problem and I would run it if I had the zetec.Premium gas also means increase in throttle response and perfomance.
99 SVT/silver frost....with "some" mods
SVT FLYWHEEL 4 SALE!!! PM me
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Joined: Jul 2000
Posts: 3,465
Hard-core CEG'er
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Hard-core CEG'er
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Posts: 3,465 |
Originally posted by ZetecGL:
why would you need a chip to run cleaner fuel??
i run premium in my car all the time, it runs alot better.
that's not what I said.... I said unless you have a chip on the computer I wouldn't use premium all the time. I said nothing about cleaner.
2003 Subaru WRX some mods
Even if you don't have the answer, you certainly have to admire the problem.
aka ZetecRacing
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Joined: May 2002
Posts: 21,653
I have no life
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I have no life
Joined: May 2002
Posts: 21,653 |
Originally posted by brandonsvt99:
Premium gas also means increase in throttle response and perfomance.
No it doesn't.
Anyways, the only time I measured my gas mileage I got 26mpg with lead food city driving and some stupid highway driving (90+, and slowing down for certain areas, flooring to get back up). Ya'lls gas mileage sorta sucks.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15
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Joined: Aug 2001
Posts: 17,248
CEG road warrior
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CEG road warrior
Joined: Aug 2001
Posts: 17,248 |
Originally posted by SVTfrog:
Originally posted by brandonsvt99:
Premium gas also means increase in throttle response and perfomance.
No it doesn't.
Anyways, the only time I measured my gas mileage I got 26mpg with lead food city driving and some stupid highway driving (90+, and slowing down for certain areas, flooring to get back up). Ya'lls gas mileage sorta sucks.
Yours sucks....I got 34 MPG on the way to the Dragon.....with the blower UNTUNED. 80-110 all the way down. 
Hector
2003 Rally Red Mitsubishi Evolution VIII
257HP/259TQ
2005 Lapis Blue Mazda 6s
RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED
160HP/141TQ
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