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Anything that is high compression or force induction should always use premium. High compression is about 10:1 and up. I believe the these motors are 11:1.
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01-26-2009, 04:26 PM
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A True Z Fanatic
Join Date: Dec 2008
Location: Los Angeles
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Drives: 02 Corvette Z06
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Anything that is high compression or force induction should always use premium. High compression is about 10:1 and up. I believe the these motors are 11:1.
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01-26-2009, 04:49 PM
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#2 (permalink) |
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Track Member
 
Join Date: Jan 2009
Location: Middle TN/Savannah GA
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Absolutely they need premium (as has the 350s and for that matter, most of Nissan's/Infiniti's offerings that use either a 6 or 8 cylinder).
If you use anything other than premium, you will likely see less performance as the CUP backs-down the engine to prevent premature ignition (knock).
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01-30-2009, 02:39 PM
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#3 (permalink) | |
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A True Z Fanatic
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Could you explain what that means "high compressions for cars"? I guess I can look it up but I would rather have your professional opionion.
 Quote:
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