87 Octane ??????? 5.7 Hemi's
I have been using 87 Octane in my Jeep Grand Cherokee 5.7 Hemi for 2 years now. No problems, but it does not have the balls that my Challenger had. My wife's 06 Charger 5.7 hemi also uses 87 Octane. Ypou really think this could affect the longevity of the engine ?