Originally Posted by blackxfire
I can't believe you only get 23 MPG? I run 93 Mobil all the time and I get at least 28 MPG. You may want to try running 93 after you finish with your regular gas experiment.
91 is the highest I can get here in California, and I only get 23.5 MPG with 91 gas on my crossfire. No idea why the MPG is so low. Even my big old junk 96' Ford Taurus wagon v6 got 22.5 MPG on 87 gas. Any ideas?