Fuel Economy - Hypermiling Dedicated to discussions on fuel economy improvements and related modifications.

Which Octane do you use?

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Old Sep 13, 2009 | 03:59 PM
  #126  
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From: vero beach fl
93 only
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Old Sep 17, 2009 | 05:39 AM
  #127  
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From: SoCal
I used 2 go 2 VPRacing for 100octane sometimes but they're saying its pointless. where can i find 93 octane in the L.A. area?
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Old Sep 18, 2009 | 09:24 AM
  #128  
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i just use the 92/93 octane that's at the gas stations around me. anything more is pointless since the car is stock and tuned for this octane
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Old Nov 16, 2009 | 12:59 AM
  #129  
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From: Tacoma, WA
cnex 96
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Old Nov 16, 2009 | 01:01 AM
  #130  
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From: Colorado
91 High Altitude though
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Old Nov 16, 2009 | 01:06 AM
  #131  
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Nothing short of full 110 octane race gas in my stock 2.4 at all times. The higher the octane, the better chance I have of getting to 1 million miles.
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Old Nov 16, 2009 | 01:21 AM
  #132  
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From: Mechancisburg, PA
i just put 89 in my car for the first time
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Old Nov 16, 2009 | 02:49 AM
  #133  
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From: In your girls pants (216)
93 until they have something higher at the pumps
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Old Nov 17, 2009 | 08:38 PM
  #134  
_UnLiMiTeD_'s Avatar
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From: Maple Ridge, B.C Canada
Originally Posted by MannyP
lol it's literally a block from my house, i guess i gotta step it up a notch
mohawk uses more ethanol then the other stations here, worse fual mileage
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Old Nov 17, 2009 | 11:12 PM
  #135  
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From: newburgh,ny
Originally Posted by Acey
Nothing short of full 110 octane race gas in my stock 2.4 at all times. The higher the octane, the better chance I have of getting to 1 million miles.
i know youre kidding.. but ... srsly someone will believe you
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Old Nov 17, 2009 | 11:18 PM
  #136  
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From: San Antonio, TX
e85 octane:p haha
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Old Nov 20, 2009 | 02:55 PM
  #137  
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From: Jonesboro,Arkansas
i use 91-93 when I can afford it. And most time if i don't have the cash to fill it up I will run the 89 but majority of the time I only run it for a day or two until i get paid.
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Old Dec 23, 2009 | 04:09 PM
  #138  
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From: Chicago IL
With the SS/SC or SS/TC the typical fuel requirement is 91. Most cars that require premium gas stock from factory are designed for 91 octane. Putting in higher octane does nothing to help performance. Just harder to burn, so thus by using the proper octane not just higher the more effective in HP and MPG the car should be.

I run as close to 91 without going under.
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Old Dec 24, 2009 | 01:20 PM
  #139  
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From: Nazareth, PA
Originally Posted by fakameanrepresent
someone please answer my question, is 91 octane okay to put in a T/C?
if you car about your car you'll use 93 lol
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Old Dec 27, 2009 | 12:49 PM
  #140  
395 plus's Avatar
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From: Plymouth, WI
93 whenever Possible
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Old Dec 28, 2009 | 08:27 PM
  #141  
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From: Fayetteville/Linden, NC/Myrtle Beach, SC
Originally Posted by BlackSSNick
if you car about your car you'll use 93 lol
Depending on where he is from 93 is not available, only 87, 89, and 91.
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Old Jan 9, 2010 | 10:57 PM
  #142  
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From: Memphis
What about half 92 and half 112 octane racing fuel at the track? Will I see a difference?
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Old Jan 9, 2010 | 11:09 PM
  #143  
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From: San Tan Valley,AZ
I use 87 when im broke and 91 when im not
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Old Jan 9, 2010 | 11:19 PM
  #144  
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From: blasdell
93 in my ls/ss , resist detonation better
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Old Jan 11, 2010 | 02:23 PM
  #145  
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From: Beiseker AB Canada
Originally Posted by Memphis G5
What about half 92 and half 112 octane racing fuel at the track? Will I see a difference?

Yes - your wallet will be much lighter gaining you .001 seconds on your 60' time
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Old Jan 11, 2010 | 02:27 PM
  #146  
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From: Oceanside, SOCAL
92 & e85
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Old Jan 11, 2010 | 02:28 PM
  #147  
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From: San Antonio, TX
e85 FTW
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Old Jan 11, 2010 | 02:33 PM
  #148  
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From: Oceanside, SOCAL
Originally Posted by rico
e85 FTW
QFT.

cant beat it.

burns cooler, run more timing and boost. all around win.
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Old Jan 11, 2010 | 02:37 PM
  #149  
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From: San Antonio, TX
yep ran it before and it was sweet
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