G37 Coupe

Losing some HP??

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Old Aug 13, 2009 | 05:48 PM
  #16  
Sharp_cai's Avatar
Sharp_cai
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From: Fremont, CA
Originally Posted by WhosUrBuddiee
Your transmission is slipping? Or you do mean doing burn outs?

If you mean it is not burning out as much, it is because your tires are worn in. Brand new tires have a slick oily outer layer. After you wear into them, you will be getting more traction.

Any why the hell are you using 98 octane. Huge waste of money. Your car only needs 91. Using higher octane does nothing at all for your car unless you are specially tuned for it.
+1 for Gas
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Old Aug 13, 2009 | 05:50 PM
  #17  
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G37HKS
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From: Dubai
Originally Posted by Raven
it's different system of measuring the octane number of fuel.
American (AKI) 91 ~= 95 RON (Euro and such)
American (AKI) 93 ~= 98 RON
who told you this information??

sorry bro but you are wrong.. i dont know about "Euro and such" but you are dealing with Dubai or lets say UAE
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Old Aug 13, 2009 | 06:31 PM
  #18  
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G37Sam
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From: Doha, Qatar
Originally Posted by Raven
it's different system of measuring the octane number of fuel.
American (AKI) 91 ~= 95 RON (Euro and such)
American (AKI) 93 ~= 98 RON
That is correct!

They're just using a different measuring stick in different parts of the world
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Old Aug 13, 2009 | 06:34 PM
  #19  
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G37Sam
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From: Doha, Qatar
Higher octane number means it can handle more compression before exploding (usually used with high boosts or high compression engines).. I believe you'll have to have a pretuned map for that specific fuel otherwise it's a waste of money as myBuddiee said

Now back to topic,

jjn, you did a dyno back when your tires slipped easiers, you can always do another dyno run and compare
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