what parameters do I modify to run 87 octane?

stockfox · Post by **stockfox** » Fri Sep 28, 2007 6:58 pm

What should I do to allow my car to correctly run 87 octane with the diablo tune? thanks

ski · Post by **ski** » Sat Sep 29, 2007 11:59 am

Which tune are you using?

stockfox · Post by **stockfox** » Sun Sep 30, 2007 10:17 pm

I am running the diablo performance tune on a 2001 mustang gt. i believe its for 91 or 93 octane, (the factory settings on the diablo tune

ski · Post by **ski** » Mon Oct 01, 2007 9:09 am

To use 87 octane with a 91 octane tune, pull 3-4 degrees of global timing.
For a 93 octane tune, pull 5-6 degrees.

christina · Post by **christina** » Mon Oct 01, 2007 9:49 am

That tune is set for 93 octane so pull 6 degrees to run 87 octane, but you will lose a few HP.