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The 2.5s run on 91 just fine, they dont have the compression to require 95. The 3.0 on the otherhand...
Quote: Originally Posted by Konev The 2.5s run on 91 just fine, they dont have the compression to require 95. The 3.0 on the otherhand... its not a compression issue its that 91 burns too hot and risk cylinder head fail