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Old Apr 12, 2009 | 05:58 PM
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desireforthecrossfire's Avatar
desireforthecrossfire
Joined: Nov 2008
Posts: 33
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From: Branson, Mo/Table Rock Lake
Question Trying to find High Octane Petro

I'm having trouble finding fuel around my town any higher than 91 for my 04 XF. So here's my questions; Am I hurting the engine any and how long can I use the 91 octane w/ out doing damage? Or is it just a ~better performance issue~only ? Thanks for any feedback.

P.S. What is suppose to go in there 92 or 93? Have'nt drove it for so long in the winter months.
 
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