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Old 12-05-2012, 04:08 PM   #36
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Lol, your always welcome herr with us v6ers!

---------- Post added at 05:51 PM ---------- Previous post was at 05:47 PM ----------



For me personally I just use 87, if you want a significant HP gain go with a tune and 93 imo. I'll throw in some 93 every once in awhile but I don't make it a habit.
I am gonna get a tuner but after atleast have some break in period on my car. Was wondering if the gains of 93 to 87 both tuned is worth the extra cost of gas
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Old 12-05-2012, 07:45 PM   #37
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For the record I am a GT guy. (Also, I didn't even realize until just now that this was in the V6 forum. All my comments were GT related.)
I've heard it was 404 and 412 with premium fuel. That's what my little catalog for the 2012 says.

---------- Post added at 07:45 PM ---------- Previous post was at 07:45 PM ----------

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Originally Posted by MrMike View Post

Lol, your always welcome herr with us v6ers!

---------- Post added at 05:51 PM ---------- Previous post was at 05:47 PM ----------



For me personally I just use 87, if you want a significant HP gain go with a tune and 93 imo. I'll throw in some 93 every once in awhile but I don't make it a habit.
Its like candy for the car. It's nice to come off the diet from time to time
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Old 12-06-2012, 05:59 AM   #38
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Give some trust with the Ford engineers. They designed the 3.7 V6 to run great with 87 octane. I personally thank them for doing this, as it saves me 15 to 20 cents per gallon when I have to fuel up.

Now if you go and modify the engine, especially with a tune, then you'll most likely be required to run the higher octane. For now, I'm happy with what I have in the way of the stock performance, and real happy with the cheaper price of 87 octane, and how well it performs. Especially since I drive almost 200 miles a day, Monday through Friday; main reason I went with the 3.7. Running with the cheaper gas, and getting a couple extra miles per gallon over the V8 is what made my decision.
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Old 12-06-2012, 08:26 AM   #39
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Bucko said:
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Give some trust with the Ford engineers. They designed the 3.7 V6 to run great with 87 octane. I personally thank them for doing this, as it saves me 15 to 20 cents per gallon when I have to fuel up.


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Old 12-06-2012, 12:12 PM   #40
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I have run premium 93 since my car was new. After reading this I drove home and needed a fill so I put in a full tank of 87 in her. Jumped in to drive to work this morning and couldn't feel any loss of power. I am keeping tabs on MPG as well to see if there is any change for me. I will post my findings after another tank or two but I dont think there is going to be much change. With the engine tuned to run on the 87 I am probably throwing money out the door with the 93 but we will see.
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Old 12-06-2012, 03:33 PM   #41
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Quote:
Originally Posted by bucko View Post
Give some trust with the Ford engineers. They designed the 3.7 V6 to run great with 87 octane. I personally thank them for doing this, as it saves me 15 to 20 cents per gallon when I have to fuel up.

Now if you go and modify the engine, especially with a tune, then you'll most likely be required to run the higher octane. For now, I'm happy with what I have in the way of the stock performance, and real happy with the cheaper price of 87 octane, and how well it performs. Especially since I drive almost 200 miles a day, Monday through Friday; main reason I went with the 3.7. Running with the cheaper gas, and getting a couple extra miles per gallon over the V8 is what made my decision.
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