Thread: Benefits of 100 octane w/ a tune
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Old 09-05-2010, 05:03 PM   #3
Addiction
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Drives: 2010 2SS/RS
Join Date: Apr 2010
Location: Jax, FL.
Posts: 1,498
I have read that running 100 octane on a car tuned for 93 can drop power.
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