Originally Posted by HorseMan
Any further updates on this? Does anyone really run the recommended 89 octane in their Hemi engine? Around here, you can buy pure gasoline, but only in 87 octane. This means to buy 89 octane, I'd have to buy it with 10 percent corn. Comments?
I have not done any further testing, but I will soon. I ordered the Hemifever tune and plan to test after I have some fun. Right now, Sean is waiting for me to send him info to move forward.