87 or 93?
c a m a r o
11-18-2003, 09:02 PM
whats easier on the engine? 87 or 93 octane? and do i have to empty the tank completely to change to 93, or i can have a little 87 in there?
JohnnyWash1
11-19-2003, 05:32 AM
Please see the thread in this section titled "110 Octane". It contains very important info.
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