Founders Ringo64 Posted February 13, 2014 Founders Share Posted February 13, 2014 Just a curious moment to see who uses what and reasons (ie tune, etc...) I use 87 in the G6, no tune or anything to warrant upper octane. Link to comment Share on other sites More sharing options...
Pontiacbubba Posted February 13, 2014 Share Posted February 13, 2014 Use 93 in my 06 GTO. Link to comment Share on other sites More sharing options...
RAREBRD Posted February 13, 2014 Share Posted February 13, 2014 93 no ethanol in my 2000 Formula Link to comment Share on other sites More sharing options...
[ChaosweaveR] Posted February 13, 2014 Share Posted February 13, 2014 Used 89 in my GAGT. 87 in the Accord. Link to comment Share on other sites More sharing options...
havoc1482 Posted February 13, 2014 Share Posted February 13, 2014 87 in the Grand Prix and 89 in the Phoenix. Anything less in the Phoenix and it will auto ignite when I turn the car off and keep running for a few seconds. Sent from my SAMSUNG-SGH-I547 using Tapatalk Link to comment Share on other sites More sharing options...
Young gun Posted February 13, 2014 Share Posted February 13, 2014 87 per manual due to tune. Might have it tuned to 93 when i install headers Farther down the road defiantly 93 and maybe E-85 if I'm feeling fancy Link to comment Share on other sites More sharing options...
JUSTA6 Posted February 14, 2014 Share Posted February 14, 2014 Sta-bil has a new ethanol treatment for older engines. In addition they have 104+ octane boost. I use 87 and 104 once a month in the GTO (as its system cleaner as well.) 93 is manditory for the Sunbird. Link to comment Share on other sites More sharing options...
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