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Old 04-09-2006, 02:03 AM   #15
blinguskahn
Scooby Specialist
 
Member#: 39301
Join Date: Jul 2003
Chapter/Region: BAIC
Location: The Haystack
Vehicle:
STi 05 8cm FPRed
WRX 06 Blue FP20G

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Quote:
Originally Posted by El Gato
Get two gallons of C16, mix it and youll be fine.
+1. Absolutely the best idea is to just add octane to the tank if your super is 91. If your location was entered in your profile I would be albe to avoid the IF and tell you IF your super is 93 then 1/2 93 and 87 will be safe and you dont have to worry about it.

If your super is 91 than I would worry about it. Yes you can stay out of boost till your are empty and refill but even with straight 91 the 2.5L engine is known to knock. If I were you I would put some race gas or NOS octane bbooster in there RIGHT now. For a full tank go with at least 2 bottles of NOS booster if using race gas do 1 gallon now and when it drains another gallon driving around put 1 more in.

For a good site to calculate your octane mix go to:

http://www.ranney.com/~mjr/fuel_blend.html
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