Quote:
Originally Posted by old greg
Yes it is. JDM premium gas is 98 RON (Research Octane Number), USDM premium premium gas is 93 (R+M)/2 (The average of Research Octane Number and Motor Octane Number). Both are equally knock resistant.
91 doesn't count.  |
We all know 91 is usually the highest common octane, and it doesnt work.
And yes by programmed I meant tuned.