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Joined: Feb 2004
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SwiftCelGTS
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SwiftCelGTS

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2000 Toyota Celica

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Lexington, Kentucky
Apr 14, 6:15am - #154171 
so yesterday was the first time i filled up my Celica...

and i put in regular instead of premium. this isn't gonna harm anything is it? i mean it was only one time so as long as i put premium in from now on i should be fine right? makes me wonder if the previous owner used premium though... frown

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DiabloGTS
Wheezy Joe
DiabloGTS

Wheezy Joe
2002 Kawasaki Ninja 250

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Lafayette, LA
Apr 14, 6:30am - #154172 
get ready for an interesting ride.

It's going to knock and ping like crazy if you rev it.

The dealer put that in the car when I bought mine, I had them drain the tank and refill it.

11.5:1 compression no likey da 89 frown


To have played and laughed with enthusiasm
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To know even one life has breathed easier
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SwiftCelGTS
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SwiftCelGTS

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2000 Toyota Celica

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Lexington, Kentucky
Apr 14, 6:31am - #154173 
Originally Posted by DiabloGTS
get ready for an interesting ride.

It's going to knock and ping like crazy if you rev it.

The dealer put that in the car when I bought mine, I had them drain the tank and refill it.

11.5:1 compression no likey da 89 frown
oh sh1t man. so what if the previous owner did that a lot. can it do damage or will it just cause the engine to not perform at its peak?

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DiabloGTS
Wheezy Joe
DiabloGTS

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2002 Kawasaki Ninja 250

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Lafayette, LA
Apr 14, 6:34am - #154174 
the previous owner most likely didn't do it, it makes the car hard to drive.

I don't think it's going to damage anything, it's just going to run like shit


To have played and laughed with enthusiasm
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SwiftCelGTS
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SwiftCelGTS

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2000 Toyota Celica

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Lexington, Kentucky
Apr 14, 6:40am - #154175 
Originally Posted by DiabloGTS
the previous owner most likely didn't do it, it makes the car hard to drive.

I don't think it's going to damage anything, it's just going to run like shit
but i mean it will run fine from now on on premium right? thanks for your help btw.

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Fyr_Fytr
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Fyr_Fytr
2001 Super White Toyota Celica
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2001 Toyota Celica

Joined: Feb 2004
Posts: 93
Sacramento, California USA
Apr 14, 7:20am - #154176 
Just be sure to run your car till there is REALLY low fuel, I'm not sure but I thought mixing gases wasn't such a great idea. You could always draint he tank but that takes time as well. It's up to you. I had 87 octane the first time I filled my gts and I didn't notice any knocking, but then again I didn't drive it hard.


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DiabloGTS
Wheezy Joe
DiabloGTS

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2002 Kawasaki Ninja 250

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Lafayette, LA
Apr 14, 8:14am - #154177 
Originally Posted by Fyr_Fytr
Just be sure to run your car till there is REALLY low fuel, I'm not sure but I thought mixing gases wasn't such a great idea. You could always draint he tank but that takes time as well. It's up to you. I had 87 octane the first time I filled my gts and I didn't notice any knocking, but then again I didn't drive it hard.


This is a bad idea. Draining the tank down low on poor grade gas could cause problems with your injectors.

Best bet is to run it down to 1/2 of a tank, then fill it with premium.

then down to a 1/4 tank, fill with premium, then to a 1/4 tank again and fill with premium.

then, only a small amount of the gas in the tank will be 89.

It's not harmful, whatever you do don't rev it up or it'll knock and ping


To have played and laughed with enthusiasm
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To know even one life has breathed easier
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SwiftCelGTS
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SwiftCelGTS

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2000 Toyota Celica

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Lexington, Kentucky
Apr 14, 8:17am - #154178 
Originally Posted by DiabloGTS

This is a bad idea. Draining the tank down low on poor grade gas could cause problems with your injectors.

Best bet is to run it down to 1/2 of a tank, then fill it with premium.

then down to a 1/4 tank, fill with premium, then to a 1/4 tank again and fill with premium.

then, only a small amount of the gas in the tank will be 89.

It's not harmful, whatever you do don't rev it up or it'll knock and ping


thanks for the advice thumbsup

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CelicaTC
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CelicaTC
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2003 Toyota Celica GT

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Posts: 199
Belgium
Apr 14, 8:19am - #154179 
Knocking is extremely harmfull for the engine. So don't rev it past 3000rpm.

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joylover24
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joylover24

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Buffalo, NY
Apr 14, 8:25am - #154180 
be gentle with it. i sell toyotas for a living. When yo fill up from now on use 93, and maybe the next time you fill up use a fuel injector cleaner. just be gentle


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Rocketman
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Rocketman

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01 Toyota Celica

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Idaho Falls, ID
Apr 14, 8:32am - #154181 
Originally Posted by SwiftCelGTS
Originally Posted by DiabloGTS

This is a bad idea. Draining the tank down low on poor grade gas could cause problems with your injectors.

Best bet is to run it down to 1/2 of a tank, then fill it with premium.

then down to a 1/4 tank, fill with premium, then to a 1/4 tank again and fill with premium.

then, only a small amount of the gas in the tank will be 89.

It's not harmful, whatever you do don't rev it up or it'll knock and ping


thanks for the advice thumbsup


go to checker and buy some octane booster.
there yah go! That way you don't lose all your gas

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Steven
ECelica Staff
Steven
2001 Spectra Blue Mica Toyota Celica GTS
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2001 Toyota Celica GTS

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Riverside, CA
Apr 14, 8:34am - #154182 
octane booster doesn't do anything. Just burn the low grade fuel of by daily driving.

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Celica22
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Celica22
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NY
Apr 14, 8:59am - #154183 
I filled my GT up with 87 the other day...full tank. Anyone think this will do any harm to my car if driven above 3000 rpms?

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DiabloGTS
Wheezy Joe
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Lafayette, LA
Apr 14, 9:06am - #154184 
Originally Posted by Celica22
I filled my GT up with 87 the other day...full tank. Anyone think this will do any harm to my car if driven above 3000 rpms?


The GT runs better on 87 octane than with premium.

Check the owners manual if you don't believe me.


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theretiredpimp
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theretiredpimp

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2000 Toyota Celica GT

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Posts: 460
Camden, NJ
Apr 14, 9:13am - #154185 
Didn't know that the owner's manual suggested 87 octane but that's what I always happen to use. Never had any problems thumbsup


Originally Posted by DiabloGTS
Originally Posted by Celica22
I filled my GT up with 87 the other day...full tank. Anyone think this will do any harm to my car if driven above 3000 rpms?


The GT runs better on 87 octane than with premium.

Check the owners manual if you don't believe me.


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Celica22
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Celica22
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NY
Apr 14, 9:15am - #154186 
would you guys say that filling up with 89, 91, or 93 would be a waste of money then? I know the manual recommends 87, or regular, but surely a better gas wouldnt hurt right?

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CelicaTC
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CelicaTC
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2003 Toyota Celica GT

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Belgium
Apr 14, 9:43am - #154187 

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SwiftCelGTS
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SwiftCelGTS

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2000 Toyota Celica

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Lexington, Kentucky
Apr 14, 1:58pm - #154188 
frown

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eric_h
2low2slow
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2002 Toyota Celica GT

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St.George, UT
Apr 14, 2:03pm - #154189 
is 89 bad for a gt?


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Vampyre
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Vampyre

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2003 Toyota Celica

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British Columbia, Canada
Apr 14, 2:06pm - #154190 
Why would you not put premium fuel in a car that is designed to run only premium??? I wouldn't even consider regular if premium was four times as more expensive.. it is a bad bad idea.

Erich_H: Yeah 89 octane is fine, since the GT only needs regular grade anyways.. and people who put premium fuel in their car that is designed for regular, they are not always getting a benefit. If anything, it's said that you are only wasting your money because the engines are made specially to optimize the type of fuel grade you are suppose to put it.


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eric_h
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2002 Toyota Celica GT

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St.George, UT
Apr 14, 2:12pm - #154191 
Originally Posted by Vampyre
Why would you not put premium fuel in a car that is designed to run only premium??? I wouldn't even consider regular if premium was four times as more expensive.. it is a bad bad idea.

Erich_H: Yeah 89 octane is fine, since the GT only needs regular grade anyways.. and people who put premium fuel in their car that is designed for regular, they are not always getting a benefit. If anything, it's said that you are only wasting your money because the engines are made specially to optimize the type of fuel grade you are suppose to put it.

aight thanks


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nebraskaGTS
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nebraskaGTS

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2000 Toyota Celica

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Nebraska
Apr 14, 2:23pm - #154192 
i dunno about you guys out in CA and what not, but here our 89 octane has ethanol in it, they say it's better for your injectors...your thoughts? (p.s. i have a GTS so all i ever use is 91, but i use 89 in my grand prix and it runs fine)

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CelicaGTGirl09
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2004 Toyota Celica GT

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Ada, Oklahoma
Apr 14, 3:33pm - #154193 
i have no idea what you guys are talking about..
i use regular unleaded..thats good right?


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Evan
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Evan

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2003 Toyota Celica GT

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Washington
Apr 14, 3:37pm - #154194 
Originally Posted by CelicaGTGirl09
i have no idea what you guys are talking about..
i use regular unleaded..thats good right?


You have a GT so just buy the cheap stuff.

He has a GTS, so he should use premium fuel. Two completely different engines.


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SwiftCelGTS
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SwiftCelGTS

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2000 Toyota Celica

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Lexington, Kentucky
Apr 15, 6:47am - #154195 
i will use premium from now on. haven't notcied any knocking so far.

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DiabloGTS
Wheezy Joe
DiabloGTS

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2002 Kawasaki Ninja 250

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Lafayette, LA
Apr 15, 6:57am - #154196 
don't run anything but premium in your GTS, the 11.5 compression ratio needs it.


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