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Bonneville GXP/ Northstar Powered Cars Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the 3.5L Twin Cam V6 (Short Star ) 4.0L and 4.6L Northstar V8's. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 08-25-2005, 01:42 PM   #31
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Quote:
Originally Posted by Buzz38
Quote:
Originally Posted by LakevilleSSEi
It'* not knock that causes anything with the higher octane running slower, it'* the fact that the higher octane itself burns slower (if I remember correctly)
Knock is the reason for running higher octane fuel. No knock = no need for higher octane. When the knock sensor sees knock ( I use the term knock to cover Pre-ignition and detonation) the PCM pulls timing to save the motor. If it sees no knock the PCM advances timing to set parameters which gives you more power. I saw no difference in power or economy in the two tanks of premium fuel we ran and our car hit 140 once on low grade so a dog it wasn't.
DING DING!

so the only difference in power you would have is timing not being pulled
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Old 08-25-2005, 06:12 PM   #32
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I am just glad my SLE runs on 87!
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Old 08-25-2005, 07:08 PM   #33
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Originally Posted by LakevilleSSEi
By the sounds of how you drive on a daily basis.......You'll have that car wrapped around a tree in no time.
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Old 08-25-2005, 09:01 PM   #34
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Originally Posted by SSsuperchargedEi
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By the sounds of how you drive on a daily basis.......You'll have that car wrapped around a tree in no time.
LMAO
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Old 08-25-2005, 09:16 PM   #35
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Quote:
Originally Posted by Buzz38
Quote:
Originally Posted by LakevilleSSEi
It'* not knock that causes anything with the higher octane running slower, it'* the fact that the higher octane itself burns slower (if I remember correctly)
Knock is the reason for running higher octane fuel. No knock = no need for higher octane. When the knock sensor sees knock ( I use the term knock to cover Pre-ignition and detonation) the PCM pulls timing to save the motor. If it sees no knock the PCM advances timing to set parameters which gives you more power. I saw no difference in power or economy in the two tanks of premium fuel we ran and our car hit 140 once on low grade so a dog it wasn't.
I understand that, everyone'* thinking that the higher octane even if you don't need it gives you power
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Old 08-25-2005, 09:35 PM   #36
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Quote:
Originally Posted by auroradude
Blah i am looking at a Camaro Z28 droptop and several T/As...when i get 1 of them can smoke a lot of ppl here hehe.
keep thinking that
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Old 08-25-2005, 09:38 PM   #37
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Quote:
Originally Posted by 1993 SLE
Quote:
Originally Posted by auroradude
Blah i am looking at a Camaro Z28 droptop and several T/As...when i get 1 of them can smoke a lot of ppl here hehe.
keep thinking that
And back on topic we go children.
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Old 08-28-2005, 03:58 AM   #38
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Quote:
Originally Posted by LakevilleSSEi
Quote:
Originally Posted by auroradude
Blah i am looking at a Camaro Z28 droptop and several T/As...when i get 1 of them can smoke a lot of ppl here hehe.

Nah we'll still beat you....By the sounds of how you drive on a daily basis.......You'll have that car wrapped around a tree in no time.

nah....i drive my friends TA all the time. Its got 380rwhp. we usually swap cars for a day or 2 because he has no A/C and i dont use it.
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Old 08-28-2005, 10:49 AM   #39
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newsflash we could care less about your friends' 9000000 hp ta
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Old 08-28-2005, 01:47 PM   #40
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Auroura Douche.....Back on Topic or don't post at all????? Got it????

Ryan.....You know.
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