Regular or Premium Fuel?

[tugger]

What type of fuel are you using, Premium/Regular and WHY???

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[joeb427]

93 Top Tier

The turbo and premium is recommended, not required, but recommended in the manual for optimum engine performance.

 

[Jimiv123]

93 here. Noticeable performance improvement. No apparent impact in MPG.

 

[LightningBlue]

Not sure what I voted for

 

[t4thfavor]

I voted for "Sandwiches". What kind of fuel is that?

Where I'm at Premium is mostly $.90 higher in price, and the wonderful Governor of MI is proposing a $.45 increase per gallon, so it's not looking like I'll be running premium in this vehicle, at least not for the daily commute.

I ran premium in my Focus ST for 100K miles, but even that got better MPG than the truck.

 

[HighFivenWhiteGuy]

89 or 92 Top Tier. Both seem to work well, Costco only has 87 or 92 so I just go with the 92. Engine seems to run smoother with higher octane and have a little more power at lower rpms.

 

[Stic-o]

89 or 92 Top Tier. Both seem to work well, Costco only has 87 or 92 so I just go with the 92. Engine seems to run smoother with higher octane and have a little more power at lower rpms.

I'm curious to see what happens here. My focus ST didn't like Costco gas, and I ended up getting endless CEL's from carbon build up, till I stopped using it.

My 3.5 Exploer could care less, but no turbo involved there.

 

[HighFivenWhiteGuy]

I'm curious to see what happens here. My focus ST didn't like Costco gas, and I ended up getting endless CEL's from carbon build up, till I stopped using it.

My 3.5 Exploer could care less, but no turbo involved there.

That doesn't sound good, I thought Costco gas was supposed to be good? I know it is Top Tier. The other gas I have had good luck with is Chevron. What did you end up using?

 

[technological_marvel]

I have a co-worker with a Focus ST and he had been having issues until he switched to a premium fuel (I mean brand-name vs off-brand, not octane rating). He always uses 93 octane but when he started filling up at the "premium" gas station he noticed an immediate performance improvement. He's got a lot of miles on his ST (upwards of 60k iirc) and had been having rough idle issues until he switched to a fuel with more detergents in it.

 

[Stic-o]

That doesn't sound good, I thought Costco gas was supposed to be good? I know it is Top Tier. The other gas I have had good luck with is Chevron. What did you end up using?

I stick to 76 (phillps66 or conoco other places) here mostly now. Or I'll 'do Shell, Mobil or Chevron. What ever is the cheapest. I just put regular in it...thank god!

My non Ecoboost cars is Costco or Arco

 

[rangerdanger]

I fixed the mess that was that poll.

87 Octane for me. Truck seems to have plenty of power with regular.

 

[ToothRanger]

Splurging on premium. Loving the TX gas prices.

 

[Roofhopper]

Running regular for now, but I'll probably switch to premium after the 1st oil change. First choice for gas is Sunoco, then Exxon, Shell if 1 or 2 is not a reasonable option

 

[Doc]

Running regular for now, but I'll probably switch to premium after the 1st oil change. First choice for gas is Sunoco, then Exxon, Shell if 1 or 2 is not a reasonable option

I’ll have 93 octane tune...won’t be a daily driver

 

[Roofhopper]

I’ll have 93 octane tune...won’t be a daily driver

That's my plans once my new work van arrives I'll start filling up w/93 every time. Just too expensive to do it right now as my DD Work truck

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