07' Civic SI-What type of gas?
I just got a 2007 Civic SI and im not sure what type of gas to put in it. Hopefully i can put 87 but im not sure that will be the outcome any thoughts or ideas would be greatly appreciated. Thank you's in advance.
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Re: 07' Civic SI-What type of gas?
inside the gascap it should say premium only.. otherwise look in the manual if you dont find it there come back and ill give you the answer... little hint.. it starts with a 9 and ends with a 1
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Re: 07' Civic SI-What type of gas?
hooray $4.50 a gallon here i come....:thud:
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Re: 07' Civic SI-What type of gas?
haha i put 89 because my car runs rich even after a tune
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Re: 07' Civic SI-What type of gas?
Originally Posted by Turtle_FA5
(Post 46982671)
haha i put 89 because my car runs rich even after a tune
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Re: 07' Civic SI-What type of gas?
Shell V-Power 93 octane.
BP (Invigorate) 93 octane. Mobil/Exxon 93 octane Chevron (techron) 93 octane. Basically any name brand gas station that sells 93 octane. My preferance is Shell. |
Re: 07' Civic SI-What type of gas?
V-power 93 octane is good i used it
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Re: 07' Civic SI-What type of gas?
I ran my 06 on regular fuel, the car got the same MPG and the power did feel about the same.
Any modern car will compensate for low octane fuel by retarding the timing when needed, so run what you afford, if you are going racing buy higher octane. |
Re: 07' Civic SI-What type of gas?
Thanks for the input im just worried im gonna jack up my car. Im used to b series and d series ef's dc's etc so i just always put the low stuff.
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Re: 07' Civic SI-What type of gas?
Originally Posted by TunerN00b
(Post 46982852)
Octane has nothing to do with quantity of fuel. Octane is purely resistance to detonation. You'd need to either reduce the fuel amount sprayed or use a fuel that has a different ratio for stoich (like ethanol) to correct running rich.
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Re: 07' Civic SI-What type of gas?
no 93 in my state 91 is what i usually run the manual says 89 or better
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Re: 07' Civic SI-What type of gas?
Originally Posted by Fg2_herrera805
(Post 46982093)
hooray $4.50 a gallon here i come....:thud:
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Re: 07' Civic SI-What type of gas?
Originally Posted by bee guz
(Post 46986329)
I ran my 06 on regular fuel, the car got the same MPG and the power did feel about the same.
Any modern car will compensate for low octane fuel by retarding the timing when needed, so run what you afford, if you are going racing buy higher octane. Running 87 or 89 octane on an engine that was tune and made to run 91 will cause a lot of damage! Yes you can debate the ECU will retard the timing for that one use but continue doing it and see what happens in the long run. Also an engine designed to use premium fuel will have loss of power (HP) as well a decrease in mileage (MPG). This is all known facts that have been proven many times! |
Re: 07' Civic SI-What type of gas?
Originally Posted by DaveSi677
(Post 46987978)
If you are saying that he should run low octane in his Si you are very wrong!
Running 87 or 89 octane on an engine that was tune and made to run 91 will cause a lot of damage! Yes you can debate the ECU will retard the timing for that one use but continue doing it and see what happens in the long run. Also an engine designed to use premium fuel will have loss of power (HP) as well a decrease in mileage (MPG). This is all known facts that have been proven many times! i wouldnt say WILL ruin your engine but very well could.. use premium tho. and YES YOU WILL GET BETTER MPG AND POWER ON PREMIUM! 87-89 octane wont kill your engine but it will gum up the works and there is really no point.. i ran regular a couple times in my prelude when i had it because i was low on money and thought it was cheaper.. it isnt, my gas gauge went down faster and my car ran like shit.. i had a loud exhaust system and you could tell i was running regular just by the sound.. it was quieter and didnt have near the snap that it did when running prem... RUN PREMIUM DONT LISTEN TO THESE GUYS.. Regular is garbage and burns faster and isnt near as clean
Originally Posted by da9licious
(Post 46987538)
no 93 in my state 91 is what i usually run the manual says 89 or better
Originally Posted by furious94ls
(Post 46983823)
Shell V-Power 93 octane.
BP (Invigorate) 93 octane. Mobil/Exxon 93 octane Chevron (techron) 93 octane. Basically any name brand gas station that sells 93 octane. My preferance is Shell. |
Re: 07' Civic SI-What type of gas?
Originally Posted by gappy4444
(Post 46988406)
i wouldnt say WILL ruin your engine but very well could.. use premium tho. and YES YOU WILL GET BETTER MPG AND POWER ON PREMIUM!
87-89 octane wont kill your engine but it will gum up the works and there is really no point.. i ran regular a couple times in my prelude when i had it because i was low on money and thought it was cheaper.. it isnt, my gas gauge went down faster and my car ran like shit.. i had a loud exhaust system and you could tell i was running regular just by the sound.. it was quieter and didnt have near the snap that it did when running prem... RUN PREMIUM DONT LISTEN TO THESE GUYS.. Regular is garbage and burns faster and isnt near as clean manual for a civic si actually says 91+ ex and dx and what not run on regular isnt shell v-power 91 octane? it is here.. reg =87 mid=89 prem=91 |
Re: 07' Civic SI-What type of gas?
You can't afford $5-$6 extra per fillup to put the right fuel in your car?
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Re: 07' Civic SI-What type of gas?
Originally Posted by furious94ls
(Post 46989051)
Here in NY we get 93 Octane. I love Shell products. I use their gas and Penzoil motor oil. They are the same company. Quality products and reasonably priced.
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Re: 07' Civic SI-What type of gas?
Wow, you guys are paying $1.40/L for 91 in Sask??
We have stations everywhere in Alberta selling 94 octane for $1.20/L. Maybe if you guys raped the Earth for oil like we did, you'd see better fuel for cheaper! haha :) Makes me wonder what gas is like in Texas ... |
Re: 07' Civic SI-What type of gas?
pulled from the manual pg 180
SI model only Your vehicle is designed to operate on premium unleaded gasoline with a pump octane number of 91 or higher. Use of a lower octane gasoline can cause occasional metallic knocking noises in the engine and will result in decreased engine performance. Use of a gasoline with a pump octane number less than 87 can lead to engine damage. We recommend using quality gasolines containing detergent additives that help prevent fuel system and engine deposits. In addition, in order to maintain good performance, fuel economy, and emissions control, we strongly recommend, in areas where it is available, the use of gasoline that does NOT contain manganese-based fuel additives such as MMT. Use of gasoline with these additives may adversely affect performance, and cause the malfunction indicator lamp on your instrument panel to come on. If this happens, contact your authorized dealer for service. pg 181 Some gasoline today is blended with oxygenates such as ethanol or MTBE. Your vehicle is designed to operate on oxygenated gasoline containing up to 10% ethanol by volume and up to 15% MTBE by volume. Do not use gasoline containing methanol. If you notice any undesirable operating symptoms, try another service station or switch to another brand of gasoline. On SI model You may hear a knocking noise from the engine if you drive the vehicle at low engine speed (below about 1,000 rpm) in a higher gear. To stop this, raise the engine speed by shifting to a lower gear. imo 89 is "emergency" fuel... like mentioned you can use it, but you get decreased engine performance (and who wants that?) |
Re: 07' Civic SI-What type of gas?
Originally Posted by KandabashiDevil
(Post 46999075)
Wow, you guys are paying $1.40/L for 91 in Sask??
We have stations everywhere in Alberta selling 94 octane for $1.20/L. Maybe if you guys raped the Earth for oil like we did, you'd see better fuel for cheaper! haha :) Makes me wonder what gas is like in Texas ... |
Re: 07' Civic SI-What type of gas?
Originally Posted by gappy4444
(Post 46982001)
inside the gascap it should say premium only.. otherwise look in the manual if you dont find it there come back and ill give you the answer... little hint.. it starts with a 9 and ends with a 1
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Re: 07' Civic SI-What type of gas?
Originally Posted by FijiBlueFG2
(Post 46999766)
Or 93/94...depending on where you live.
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Re: 07' Civic SI-What type of gas?
how would it not damage the engine? 87 octane ignites too early... wow.
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Re: 07' Civic SI-What type of gas?
Originally Posted by eundaddy
(Post 47001481)
how would it not damage the engine? 87 octane ignites too early... wow.
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Re: 07' Civic SI-What type of gas?
Ha i can afford the gas i was just womdering cuz my sisyer uses 87 in her tl and it seems just fine
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