What kind of gas do you buy?  | | | 
July 30th, 2004, 01:03 AM
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#1 (permalink)
| | Banned
Join Date: Jun 2004 Location: SoCal
Posts: 53
| What kind of gas do you buy?
We buy the premium kind for our gas slurping V8 powered Jeep....
we buy gas at the Costco Wholesale gas stations, and there it is much cheaper than at where the rest of you guys go to fill up the tank. 
-bubbleb0x | 
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July 30th, 2004, 01:07 AM
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#2 (permalink)
| | Determined Member
Join Date: Oct 2001 Location: Pentagon, VA
Posts: 3,630
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Does the car require 93 octane? If not, you really are wasting your money. I run 87 octane in my Explorer and rani it in my 97 F-150 until the day I sold it. I never had any problems. BTW do a search in Community on "octane" and you will find previous threads relating to your question.
-RADAR
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July 30th, 2004, 01:19 AM
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#3 (permalink)
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Join Date: Jul 2004
Posts: 5
|  N/A Post Deleted!!
Last edited by Mozilla2005 : July 30th, 2004 at 11:04 PM.
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July 30th, 2004, 01:30 AM
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#4 (permalink)
| | Ultimate Member
Join Date: Jul 2002 Location: sacramento
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I buy 87 octane at Costco.
I think it's a complete waste of money to go for the higher octane - unless it states in the owners manual that it requires it. | |
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July 30th, 2004, 01:31 AM
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#5 (permalink)
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Join Date: Jun 2004 Location: SoCal
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July 30th, 2004, 01:33 AM
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#6 (permalink)
| | The Macedonian Member
Join Date: Mar 2004 Location: Macedonia Point, IN
Posts: 3,363
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we go to my local Admiral or Speedway gas station, and very rarely Costco | |
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July 30th, 2004, 01:34 AM
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#7 (permalink)
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Join Date: Jun 2004 Location: SoCal
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ours is a V8 2002 Jeep Grand Cherokee Limited...
-bubbleb0x | |
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July 30th, 2004, 01:37 AM
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#8 (permalink)
| | Determined Member
Join Date: Oct 2001 Location: Pentagon, VA
Posts: 3,630
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Octane refers to timing of combustion. VEEEERRRRYY basically 93 octane combust faster than 87, that being said if an engine is not set up for 93 octane it is wasted. If an engine is set up for 93 octane and you put in 87 it will knock.
-RADAR | |
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July 30th, 2004, 02:34 AM
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#9 (permalink)
| | Ultimate Member
Join Date: May 2003
Posts: 1,824
| Quote: |
Originally Posted by RADAR1797 VEEEERRRRYY basically 93 octane combust faster than 87 | The octane number mostly refers to how the gas acts under pressure. Low octane means it combusts at a lower pressure. If you have a high compression engine (sports car) and you use cheap gas, the gas will actually explode without the spark plug even firing; that pre-ignition is what the knocking is.
My truck is low compression so I just use the cheap gas.
Last edited by ShawnD1 : July 30th, 2004 at 02:40 AM.
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July 30th, 2004, 03:33 AM
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#10 (permalink)
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Join Date: Feb 2004
Posts: 290
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87, anything else is too expensive. | |
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