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Old 12-20-2012, 04:21 PM   #1
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Gas type

I have a 2006 gt with all stock. Do I need a tune to use premium gas or can I just use premium without it. Is it good for the engine or not? Will it give me better mpg? Please someone help me!
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Old 12-20-2012, 04:24 PM   #2
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No need for a tune, unless its required you can run any octane, but as fir mpg its all the same, just different in the way they ignite if im correct but all me has to say id 91+ :RTW: ×}
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Old 12-20-2012, 04:26 PM   #3
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I have a 2006 gt with all stock. Do I need a tune to use premium gas or can I just use premium without it. Is it good for the engine or not? Will it give me better mpg? Please someone help me!
You don't need a tune to use premium. Any performance gains or mpg gains will be negligible over regular in a stock vehicle. It will not harm your motor if you want to use it.
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Old 12-20-2012, 05:21 PM   #4
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Just use 87. Anything else on a stock car is a waste of money. There will be absolutely no advantage in running higher octane fuel. You'll just be buying more fat Arab bastards lobster dinners.
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Old 12-20-2012, 05:45 PM   #5
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Just use 87. Anything else on a stock car is a waste of money. There will be absolutely no advantage in running higher octane fuel. You'll just be buying more fat Arab bastards lobster dinners.
Can they eat shell fish?
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Old 12-20-2012, 05:56 PM   #6
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Can they eat shell fish?
That's a valid question. They can eat bacon for all I care.
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Old 12-20-2012, 06:08 PM   #7
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Ok thanks
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Old 12-21-2012, 01:34 PM   #8
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OP,

As the these guys said, there's really not much point to running 93 octane on your stock '06 GT. There's actually more BTU's in 87octane than 93, so in theory- with the same amount of timing, you'll get better gas mileage on 87 too.

That being said, you should definitely look into an aftermarket tuner. You'll see a huge difference in performance and a small increase in mpg, too. Bama can tune for 93 or 87octane if you want to keep running that fuel.

Let me know if you're interested in more info about our Bama SF3 tuners!

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Old 12-21-2012, 03:40 PM   #9
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better gas = better mileage
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Old 12-21-2012, 04:27 PM   #10
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better gas = better mileage
Where did you hear that? A Honda civic meet?
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Old 12-21-2012, 04:50 PM   #11
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Originally Posted by muscledom

Where did you hear that? A Honda civic meet?
Ja, +1
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Old 12-21-2012, 07:59 PM   #12
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better gas = better mileage
Better gas maybe, but higher octane no
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Old 12-21-2012, 09:01 PM   #13
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Better gas maybe, but higher octane no
*comment not needed*
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Old 12-21-2012, 09:23 PM   #14
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Old 12-21-2012, 10:09 PM   #15
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OP,

As the these guys said, there's really not much point to running 93 octane on your stock '06 GT. There's actually more BTU's in 87octane than 93, so in theory- with the same amount of timing, you'll get better gas mileage on 87 too.

That being said, you should definitely look into an aftermarket tuner. You'll see a huge difference in performance and a small increase in mpg, too. Bama can tune for 93 or 87octane if you want to keep running that fuel.

Let me know if you're interested in more info about our Bama SF3 tuners!

Shane
I definitely am going to get one I just need a couple of more bucks
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Old 12-21-2012, 10:32 PM   #16
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I definitely am going to get one I just need a couple of more bucks
Get your post count over 50 and you can take advantage of a forum member discount of 6% of your purchase at American Muscle.
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Old 12-21-2012, 10:38 PM   #17
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Are you serious about the 6% discount???
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Old 12-21-2012, 10:40 PM   #18
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Are you serious about the 6% discount???
yes...AM does the members of this site right.
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Old 12-21-2012, 10:40 PM   #19
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Are you serious about the 6% discount???
Definitely.
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Old 12-21-2012, 10:42 PM   #20
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Wow that's what's up, thanks!!!!
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Old 12-21-2012, 10:47 PM   #21
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yes...AM does the members of this site right.
+1, my 6% has saved me a lott of money lol
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Old 12-22-2012, 02:02 AM   #22
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It's saved me about $150 this year. So I'm a happy camper!
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Old 12-22-2012, 02:32 AM   #23
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Get your post count over 50 and you can take advantage of a forum member discount of 6% of your purchase at American Muscle.
Unless you don't save it... An delete the pm... I've lost my code 16 times now

And I beg to differ on the whole gas thing
I was under the impression higher octane equates to faster burning... Making the motor run more efficiently... Making better mpg and performance ...

I know when my car was stock the dealer filled it up w 87... Second tank I put 93 n and gained 50 miles over the whole tank.... Same results on all of my previous vehicles as well....

Not to mention, correct me if I'm wrong but don't the higher octane fuels help prevent gunk build up in the motor ... Making it last longer??

Last but not least I've ran ever tune except the new bama hybrid tune in my car (full bolt on) an when I'm trying to get good mpg I can achieve around 25-27 mpg w the 93 race but on 22-24 on all others
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Old 12-22-2012, 08:21 AM   #24
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Unless you don't save it... An delete the pm... I've lost my code 16 times now

And I beg to differ on the whole gas thing
I was under the impression higher octane equates to faster burning... Making the motor run more efficiently... Making better mpg and performance ...

I know when my car was stock the dealer filled it up w 87... Second tank I put 93 n and gained 50 miles over the whole tank.... Same results on all of my previous vehicles as well....

Not to mention, correct me if I'm wrong but don't the higher octane fuels help prevent gunk build up in the motor ... Making it last longer??

Last but not least I've ran ever tune except the new bama hybrid tune in my car (full bolt on) an when I'm trying to get good mpg I can achieve around 25-27 mpg w the 93 race but on 22-24 on all others
We're talking about higher octane on a stock tune. And I think higher octane is less combustible and burns cooler. Don't quote me on that though. But if you're tuned, period, the engine will run more efficiently.
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Old 12-22-2012, 08:39 AM   #25
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Running 93 octane on a 87 octane recommended car will not do a DAMN thing, you actually could loss power, there have been studies suggesting the car will make optimal power right on its octane threshold

And for cleaning or running better theres a law now (since the early 90s) that all gases have to have detergents
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Old 12-22-2012, 11:27 AM   #26
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Running 93 octane on a 87 octane recommended car will not do a DAMN thing, you actually could loss power, there have been studies suggesting the car will make optimal power right on its octane threshold

And for cleaning or running better theres a law now (since the early 90s) that all gases have to have detergents
Well yeah, its like running 87 on a 91 required, no bueno. But like dom said stock tune more than likely im sure no GT is only required 87, except the 11+ 5.0's think there 91+ but not too sure
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Old 12-22-2012, 01:18 PM   #27
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I've said it before and I'll say it again. My 24 year old 240sx, 280k original miles was rated to run on 87 octane but in its old decrepit age it will actually stall out ant every traffic light with 87.

It only runs on 93. I'm sure I can rebuild everything on it and it'll run on 87 just fine but I'm not gonna do that. 93 burns easier and the car still gets really good gas mileage so I'll leave it as it is until I win the lottery. Lol
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Old 12-22-2012, 01:23 PM   #28
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I've said it before and I'll say it again. My 24 year old 240sx, 280k original miles was rated to run on 87 octane but in its old decrepit age it will actually stall out ant every traffic light with 87.

It only runs on 93. I'm sure I can rebuild everything on it and it'll run on 87 just fine but I'm not gonna do that. 93 burns easier and the car still gets really good gas mileage so I'll leave it as it is until I win the lottery. Lol
It's likely due to carbon build up causing a slight rise in compression.. Been down that road before..
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Old 12-22-2012, 01:34 PM   #29
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It's likely due to carbon build up causing a slight rise in compression.. Been down that road before..
Oh yeah, I'll bet it's got a fu*k wad of carbon in that sob. Every time I start it up after its been sitting a few months, it's puffing and popping and plumes out a lung.
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Old 12-22-2012, 01:34 PM   #30
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^ would a additive help out? At least a for now solution or even just as a helping hand?
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Old 12-22-2012, 01:38 PM   #31
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Nah I don't know? After it warms up, it runs like a top. To be honest. I'm waiting to blow a rod. I wanna do something crazy with that car. I was thinking about a carbureted pushrod 5.0 swap or maybe something modular. I hate wiring though. Lol
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Old 12-22-2012, 01:49 PM   #32
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^ would a additive help out? At least a for now solution or even just as a helping hand?
No, but you know what would clean it out for another 300k... A 50-75 shot.. Seen several high mileage 5.0L's clear out on the 1st small shot and run way better off the gas.. Even seen a handful sprayed sitting still.. They don't even rev hard or high.. Just spit and sputter out flakes and plumes of black **** lol
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Old 12-22-2012, 05:59 PM   #33
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Running 93 octane on a 87 octane recommended car will not do a DAMN thing, you actually could loss power, there have been studies suggesting the car will make optimal power right on its octane threshold

And for cleaning or running better theres a law now (since the early 90s) that all gases have to have detergents
Shouldn't lose power with a higher octane. It's more stable, not harder to burn. The reason most new cars don't make much if any hp is because they are tuned for a certain octane, but higher octane will not hurt performance and should burn cleaner.
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Old 12-22-2012, 06:20 PM   #34
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I win
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Old 12-22-2012, 08:47 PM   #35
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Shouldn't lose power with a higher octane. It's more stable, not harder to burn. The reason most new cars don't make much if any hp is because they are tuned for a certain octane, but higher octane will not hurt performance and should burn cleaner.
It has to do with timing and compression. When those go up the octane must follow. If there wasn't a positive correlation it would be called bomb making, not engine building.
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