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Old 03-31-2005, 12:24 PM
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rocketir rocketir is offline
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Location: Sacramento
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Here is a good article on octane and why you should run premium when the manual recommends it.
http://www.superchargersonline.com/content.asp?ID=105
The 3.0l engines have a 10.2:1 CR and the 4.4's have a 10:1
Not sure if the heads and block are Aluminum? Anyone know?
MotorDave: "I think" that at your elevation you can get away without using premium. However I am not sure. Maybe someone in the mile high city can tell us.
Jes
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