Question: What Kind Of Gas Do You Put In Your Pony?... Does It Matter?

[Mega-Man]

I completely forgot to ask this a few weeks ago, but just saw a post reminding me to ask. What do you use? Does it matter what brand / octane it is?

I personally use Cheveron (when I can), the 87 stuff. Should I be taken out back and shot? If so, please give me a good reason before doing so.

Thanks!

 

[Mega-Man]

So no one puts gas in their car?... Or at least has an opinion about it? I didn't get the owner's manual, so no way for me to check what is recommended / suggested.

 

[Mustang5L5]

I just put 87 in my '03. It's what the manual calls for and it's stock.

 

[nickthegenius]

87 back in the day. Now, 93 only.

 

[YardSpecial]

I have to run 93 due to the Canada tune.

All others PING.

 

[xomp]

usually if there isnt a problem while running regular (no pinging/detonation) then there's no reason to run high octane. i use regular in mine.
high octane is only needed when u have a tune/timing adjuster/nitrous/blown/etc.

 

[Beau]

I have to run 91 octane now, but I used to run 87 in my 03 GT.

 

[propellerhead]

87 if you're not pinging.

 

[1fast03pony]

I used to use 89 because i was stubborn and would not accept the fact that maybe my car would run good on 87.. well it runs better on 87

87 if you do not have detonation- cheaper too

 

[LouisianaZJ]

87 Chevron, basically stock GT

 

[billyfe390]

91 normally and 100 when I go to the track.

 

[Red03Mustang]

87, diff. brands.

I have been running 89 in mine lately, but I notice no difference. So, I'm going back to the 87. I use Shell, BP and Exxon. Seems to run equally well on all of them.

 

[jbrown]

I run 93 now because my timing is set at 15*. When it was stock I tried both 87 and 93 it ran fine on both. If I were you I'd run the 87 because its like 20cents cheaper a gallon.

 

[jbrown]

I run 93 now because my timing is set at 15*. When it was stock I tried both 87 and 93 it ran fine on both. If I were you I'd run the 87 because its like 20cents cheaper a gallon. I usually buy gas from whatever station is cheaper as long as it doesnt look too ghetto, I hear stations in the same area use the same gas anyway but I'm not sure if thats true.

:damnit: sorry double post

 

[SonicBlue2v03GT]

Just like most say above. With the factory chip and tune of the car you only need 87 Octane, but if there is pinging go up to 89. I was running 89 anyways just for peace of mind, but that is my personal preference. Now I run 91 due to the SCT tune, and It dont bother me one bit

Also, to the guys running 93 octane <---Jealousy

Would love too. 91 cali oxygenated gas or whatever, (farting noise) What a bunch of horse puckey

 

[Dark Knight GT]

If a car is basically stock, n/a, has stock ignition timing, and no power adders, 87 octane is all that is needed. You won't make any more power by running a higher octane. The only thing you're doing is decreasing your gas mileage and wasting money. If it's having problems with pinging on 87 octane, most likely the gas is contaminated, the fuel system is dirty, or its something else wrong with the car, not the octane.

I use Exxon 87 octane and Amsoil PI fuel additive at every tank. My car runs fine and I get about 22-23mpg on the open highway and not real sure about my in town gas mileage. Thats with all the mods in my sig. as well.

 

[02mingreyGT]

Ive always been told that its best to run the lowest possible octane that you can without detonation or pinging. Since you are stock timing and everything just go ahead and save the extra money for mods and throw in 87

 

[Mega-Man]

Awesome--thanks much guys for all of the replies. 87 it is then! My wallet, and wife (not in this particular order) will be happy to hear I don't need to spend any more money than I have to.

Again, thanks much for the feedback!

 

[1ba96gt]

Biilyfe390 why would you run 100 octane at the track? The higher the octane the less horsepoer you will make. Use as low an octane as you can without pinging for maxium hp.

 

[nickthegenius]

Biilyfe390 why would you run 100 octane at the track? The higher the octane the less horsepoer you will make. Use as low an octane as you can without pinging for maxium hp.

Maybe he has a 4-bank chip or something and has a program for some killer timing and/or fuel maps that are used only at the track