Thu, June 11th, 2009, 06:39 PM
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PHP Groupie
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Join Date: Nov 2008
Location: Among Elk, Deer and Javalinas on the Mogollon Rim in Aridzona
Posts: 3,243
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I have to agree with Afrancis on this. There's not a lot of difference between the tunes unless they're written for different octane fuels. I think you may have 91 and 95 octane up there? If so, that is closely equivalent to our 87 and 91 (R + M)/2 octane ratings. Welcome, in any case! 
- Jack
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2024 F150 Platinum SCrew 3.5L PowerBoost FX4, Peragon Tonneau Cover, LineX Bed, 35% Window Tint on All Sides and Rear, Full Nose Paint Protection Film, Husky Mud Guards, Lasfit Floor Liners, VIOFO Dash Cam
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