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I was wondering if it was better to use 87,89, or 93 octane for a v6 mustang.
Will I lose power if I use 89, or 93 because of the timing?
 

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V6racer04 said:
I was wondering if it was better to use 87,89, or 93 octane for a v6 mustang.
Will I lose power if I use 89, or 93 because of the timing?
you won't gain or lose anything, unless you've got a chip, or programmer . ..
 
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