I use 91 as the manual says. I believe anything less reduces performance and anything more is a waste of money. We had some discussions on this in the old G37 forum.SVTCOBRA wrote:
Sorry, have to ask.Do you run 87 octane and dino juice??
Of course my car is a G37G, the Geriatric model. It comes with a cane rack, waterproof seats, hearing aide battery dispenser, and the hard drive preloaded with ten Lawrence Welk CD’s.
