89oct 10/15% eth.
Here in the midwest E10 and soon to be E15 - 89oct is cheaper than reg, and ive always ran it in my cars and never have an issue with it.
Can you guys make a tune for this. I currently run the 87 tune and it helped...but I think it can be better
2006 65th Anni. Grand Cherokee 4x4 in black w/ 4.7L V8
Installed- HID 5000k kit in fogs, Superchips programmer,AFE stage 2 intake, Jet 180* Thermostat, De-badged, Flyin' Ryan Modified Throttle Body - Ported then bored out. Magnaflow muffler. Rola Roof basket, Stubby Antenna, bquiet sound dampening for the rear deck. Rigid led spots on rola rack.