Thread: Octane for 2008 H2 with the 6.2 L
View Single Post
  #10  
Old 12-20-2011, 12:03 AM
[__--MUD--__]'s Avatar
[__--MUD--__] [__--MUD--__] is offline
Hummer Expert
  
Join Date: Dec 2007
Posts: 705
[__--MUD--__] is on a distinguished road
Default Re: Octane for 2008 H2 with the 6.2 L
Thats why they gave us knock sensors. I run regular in all the cadillacs in our fleet. No noticable difference in gas mileage logs.

I notice no difference in the H2. My Ram Air Trans Am is premium only.
Reply With Quote