Octane for gt dd?

[Starman]

Chevron 92 octane

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[EFI]

And someone will argue that you will not see the benefits of the minimal difference between using 87 octane vs premium octane for a daily driver unless dynoed. It's a complex argument.

If that's the case, then at that point you're not really using the car to its full potential you might as well have bought a V6 and saved alot more than $30 a month.

It is a complex argument I agree and a lot of factors come into play like you just mentioned, but sometimes the logic around people's choice in gasoline octane astounds me.

 

[Khyber]

There's a difference in getting jacked for an extra $30 a month on cable and not getting a single benefit vs. paying an extra $30 a month on gas and seeing some pretty decent gains in performance.

gains in performance? you mean that 1hp gain? lol there is hardly any gains 1 to a MAYBE 5hp max on 93...but nothing you would ever notice except for on paper.

 

[Lowrider]

If that's the case, then at that point you're not really using the car to its full potential you might as well have bought a V6 and saved alot more than $30 a month.

It is a complex argument I agree and a lot of factors come into play like you just mentioned, but sometimes the logic around people's choice in gasoline octane astounds me.

I would argue that 99% of us do not drive these cars to their full potential. Be it on the streets or at the race tracks. Gasoline type alone does not make the car fully potential.

 

[skeeter]

Why do they make 93 oct? Is it a "scam like cai"?

 

[Blk2015GT]

If that's the case, then at that point you're not really using the car to its full potential you might as well have bought a V6 and saved alot more than $30 a month.

It is a complex argument I agree and a lot of factors come into play like you just mentioned, but sometimes the logic around people's choice in gasoline octane astounds me.

Hell you mine as well buy a 80hp Geo then. It doesn't mean you need a V6 because you want to still use the recommended octane AND save a bit of money having the sound and torque/power available of a V8.

Buying a more expensive bigger engine car doesnt mean you NEED to spend frivolously on it to gain a whole 1% hp (4.35 whopping hp).

 

[Lowrider]

Why do they make 93 oct? Is it a "scam like cai"?

93 octane is made for high compression motors to prevent detonation in motors. Newer cars have ECUs that can retard timing to accommodate for the lower octane combustion with a trade off in decreased power output.

It is like having a 3G network based phone vs a 4G network based phone analogy...For comparisons sake.

 

[5.0 Probie]

I look at it like this...

I "Could" use the drive through car wash, but I "Chose" to wash our S197 by hand.

The same as I "Could" use 87 but "Chose" to only use 92-93 depending on the station.

For me it is a pride of ownership. I have torn down enough engines too know the choices I make now have long term effects. Even if it is for the next owner.

This has worked out pretty well for me.

 

[Cascadia_302]

I would argue the use of quality gas (Top Tier) is much more important over the octane rating in these newer cars where the ECU will adjust for the decrease in the octane level as mentioned above.

 

[Laztug]

You will be just fine with 87.
If 87 damaged your motor, Ford would tell you to fill up with 93.

 

[Swayse]

My free tank of gas from the dealer was 87, I'm guessing, had detonation. I swear it runs better, and better on fuel, with super unleaded.

 

[MyLilPony]

93 cause racecar

 

[Old 5 Oh]

87 is fine unless you are tuned for 91 or 93.

For me it's a $0.30/gallon difference. At 20 mpg over 10,000 miles a year, that would be a difference of $150.00 a year. Not a huge deal, but the Scot in me can't stand wasting money!

 

[Joe 5.0]

I was told by a Mustang performance shop to run 91+ all the time because it is better for the motor.

Take that for what it is worth -- Just my $0.02!

I run 93 all the time, except for when it is not available. Then I'll just 91.

 

[113]

On my last GT I ran 87 only. On my new GT I've only filled up with 93 so far. I plan to stick with that.

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