[brantley847]

Originally Posted by jeff4946

Ya , sorry , wasn't very specific.... you stated how you doubted GM would put out a car, saying that 87 was the octane to run, and not suggesting it would run better with 91, or something to that effect. I was just replying ,very poorly I might ad, that if that was the case, they would build a tune for the v6, without all the fight.

oh ok..

Yea, I don't doubt that 93 is more efficient or some people say "healthy" for your vehicle...it just seems some people (mostly from my experience with previous posts about this topic) seem to believe they get noticable gains. I think the car would run smoother, but I don't believe it is something we are going to see on a dyno...im not a guru on the topic by any means. I just felt GM made a good product, and why not just be honest and say "hey, your car can run on 87, but will be more efficient with 91+".

I don't think there is proof either way. I put 93 in mine at a recommended 91. Am I wasting money? Maybe...if there is any chance that using a higher grade could length the life of my vehicle then yes, I am going to take any chance I can...I may be an idiot for thinking that. My only debate is the gains..that is all.