Thread: Octane Boost
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Old 10-29-2014, 02:42 PM   #3
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
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Quote:
Originally Posted by brjak View Post
Has anyone ever used it.

Boxster calls for 93 Octane, many places around here the highest i can buy is 91. Also, in a pinch could you buy 87 or 89 and add octane boost.

Has anyone ever added octane boost to 93 octane and found an increase in power etc.
93 octane would be "optimum" for maximum performance, however it not required. The DME programing will handle just about any gas you can find by altering various settings. You will be fine on 91 octane.
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