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Old 07-08-2008, 12:59 PM   #17
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Default Re: The Compleate Fuel Economy Tuning Guide

Quote:
Originally Posted by Freebeer187 View Post
- Try a lower grade of octane (when possible, not everyone has cold winters and can get away with this one). I run 87 in the winter and summer safely enough.


Is this true?!?!!
Jerry has an Intercooler on his car. It is true that you can get better HP numbers from lower octane ONLY if you are safe to run it.

Meaning that if your car is tuned for 87 octane whether it's a honda or your GT, you aren't going to get any gains at all going to 93.
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