what grade of gas is everyone running?
#2
If it says required use it, if it says recommended use it if you can afford it.
Or, look in your Owner Manual. Pages 6-5 and 6-6.
Or, argue with GM.
Or, look in your Owner Manual. Pages 6-5 and 6-6.
Or, argue with GM.
Last edited by donbrew; 09-22-2016 at 04:39 PM.
#6
I haven't tuned Gregg but still run the recommended 91 (in reality 93) octane. I found that not only is MPG better but the true power potential of the 2.4 is brought out with higher grade gas. Trust me. It aint no race car, but Gregg is pretty darn good at getting out of his own way.