Thread: Octane for 2008 H2 with the 6.2 L
View Single Post
  #1  
Old 12-03-2011, 02:12 AM
Wibs Wibs is offline
Hummer Veteran
  
Join Date: Dec 2011
Posts: 30
Wibs is on a distinguished road
Default Octane for 2008 H2 with the 6.2 L
Hi, can you damage the engine if you use 87 or 89 octane with the 6.2 L engine, because I heard that premium fuel is recommended.
Thanks.
Reply With Quote