Quote:
Originally Posted by Ishtim
Our only choices here are 87, 89, & 93 octanes. I have filled it the first 3 times with 93, but what about 89? Would you use it?  |
Definitely not. The car is tuned for 91 octane - any lower, and you better be pretty soft on the throttle, and never take it to "oh ****" RPM's. Otherwise, knocking is almost inevitable.