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Old 05-20-2010, 03:40 PM   #15
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I know the manual for the v6 says to use regular, but i find it odd that the compression ratio is higher for the v6 than it is the v8. Doesn't the v8 recommend premium?
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Old 05-20-2010, 03:51 PM   #16
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I run 93 octane in mine when I am ready to take on a Mustang. Other than that I run 89.
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Old 05-20-2010, 03:55 PM   #17
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The V6 car was built to run on 87 octane. Running it higher isn't give you any added bonus to the car, you are just throwing your money away.
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Old 05-20-2010, 03:56 PM   #18
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I recommend the mid grade, Chevron or any other "cleaner" gasoline. I've tried all three for a spell, and prefer the mid grade. You can feel a difference.
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Old 05-20-2010, 03:56 PM   #19
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Call me el cheapo i put in 87 oct with dino oil. The whole reason i bought this ride was its a cheaper daily driver.
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Old 05-20-2010, 04:17 PM   #20
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Quote:
Originally Posted by PoorMansCamaro View Post
I know the manual for the v6 says to use regular, but i find it odd that the compression ratio is higher for the v6 than it is the v8. Doesn't the v8 recommend premium?

The manual says at least 91 for the V8.
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Old 05-20-2010, 04:21 PM   #21
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Quote:
Originally Posted by jagan323 View Post
lol. If you drive a V6 just fill with 87. No need to spend the extra money. Higher doesn't benefit you at all. Doesn't increase MPG, doesn't make it more powerful... I thought I should have used Premium on my V6 as well. But if the Manual says 87... just do as it says. =D
some of us 6'ers have noticed the ECM pulls more timing running 87 than 93 at WOT.
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Old 05-20-2010, 04:28 PM   #22
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Bottom right hand corner is the Knock Retard... with 87 Octane the knock sensors are VERY ACTIVE! This is just cruising around! Not even getting on the throttle very hard!!



So while the car may run on 87 octane it doesn't appear to be living up to its full potential, especially if it is constantly pulling timing... I run premium and the knock sensors basically sits at zero...
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Old 05-20-2010, 04:30 PM   #23
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Bottom right hand corner is the Knock Retard... with 87 Octane the knock sensors are VERY ACTIVE! This is just cruising around! Not even getting on the throttle very hard!!



So while the car may run on 87 octane it doesn't appear to be living up to its full potential, especially if it is constantly pulling timing... I run premium and the knock sensors basically sits at zero...
You the Man, Scrming!!! I totally agree.
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Old 05-20-2010, 04:37 PM   #24
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I run 91 on my V6, mpg went up by 2mpg from 87, the engine sounds less raspy also, and I trust scrming about the knock sensors
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Old 05-20-2010, 04:47 PM   #25
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i read on here that with 89 you get 1, or 2 extra horses than with 87.
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Old 05-20-2010, 05:04 PM   #26
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I mostly run 89 on mine, and when i go back to 87 i do notice a drop in power from the engine., from now on ill be filling up with 91. and see what happens.

after all the manual says 87 minimum, but it does not state a maximum.
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Old 05-20-2010, 05:06 PM   #27
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If the ECM is set to maximize at 87 octane then you will actually loose power using a higher octane. Lower octane gasoline contains more BTU's of energy then higher octane.
yep, just look at diesel. twice the BTUs of premium gas and less than half the octane rating.
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Old 05-20-2010, 08:46 PM   #28
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what scrming saying is accurate. i built a few cars some turbo some all motor. higher the octane the slower it burns. slower it burns cooler it is. cooler temps=more power and less knock. and u should always get better mpg with high octane,again becasue it burns slower.
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