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June 26th, 2007, 08:09 PM
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#1 |
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Newbie
Join Date: Jun 2007
Location: Morgan Hill, CA
Posts: 12
 iTrader: 0 reviews
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Tuned for 87 / 91 - Advantages?
I have sct tunes for the different octanes, but am curious as to the advantages of running 91 over 87. Better performance? Economy?
chris
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2007 GT/CS [vert, black], JLT CAI, SCT LiveWire, FRPP/Borla Axleback |
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June 26th, 2007, 08:12 PM
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#2 |
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Proud American
 
1996 Mustang GT
Join Date: Dec 2006
Location: Lakewood, CO
Posts: 10,688
 iTrader: 3 reviews
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better performance for sure!!
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RIP Travis Billings  Special Thanks to: Andrews Racing Transmissions Baseline Suspensions 25.3 SFI Chassis Build Never Lift Racecars |
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June 27th, 2007, 06:47 AM
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#3 |
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Regular
Join Date: May 2007
Location: Wisconsin
Posts: 122
iTrader: 0 reviews
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Usually higher octane fuels depending on their ratings have a higher burning speed and a higher required temp for combustion. This produces more power in less time and for forced induction and high horsepower apps which raise operating temps, these fuels won't detonate early within the engine.
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Ford Racing heads, Comp stage III cams, 4.10's, Steeda delete plates, SLP long tube headers, Custom 3'' X pipe, Magna flow 3" Magnapacks, Airaid CAI, SCT XCAL 2 93 tune, Steeda front and rear swaybars, Dynotech aluminum driveshaft, HTP TB spacer |
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June 27th, 2007, 10:33 AM
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#4 |
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MM Fanatic
Join Date: Feb 2007
Location: Vineland, NJ
Posts: 3,550
iTrader: 0 reviews
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if you put in a 89 octane tune and running 93 octane gas will it mess up the car? i kno if i ran a 93 tune with 89 gas it will mess things up but just curious about it the other way around
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June 27th, 2007, 05:47 PM
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#5 |
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Tree Fiddy Z
2006 Nissan 350Z
Join Date: Dec 2006
Location: Central Florida
Posts: 2,018
iTrader: 0 reviews
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no it won't mess up your car. it would be a waste of money to do though. only do the octane you've tuned for. it will mess it up if you do the other way around.
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