Any one try a lower octane tune and like it better? i have been running a 93 octane and was curious if anyone likes the lower octane better, and what where the differences? or anyone actually go faster in the 1/4? or feel faster.

reason i ask i because i can only run the higher octane here in england.my choices for gas is 89 i think, 90, and 94 , so i run the 94 octane with the 93 tune.

 

I also use the 94 Octane in mine every few fillups, my car Loves it.

 

I run a 93 tune with Sunoco 94.

WhenI run the 91 tune (with 91 fuel of course) I don't honestly notice much of a difference.

I had the car dyno'd running 91,thetuner simply stuck in a couple of extra degrees of advance for the 93 tune (over the 91). Not a huge difference.

 

I was running the 93 tune with 93 octane and went back to the 89 tune and I like the low end response of the 89 tune. I didn't notice any difference in the 89 tune with 93 octane vs. 89 octane fuel, though.

 

kool , nuke when you mean low end how much better was it?

 

I run Sunoco ulta 94 with the 93 tune, definate difference from the stock 87 tune!

 

i prefer my 89 over my 92 tune. feels the same, gets the same gas mileage, costs less.

 

off topic what kind of gas milage are you guys seeing i get 17.3 around town stop in go, 23 on the high way, that sound right?


back on topic i want to try the different tunes but to do that i guess i would have to have brenspeed make me some tunes to match the octane here.

 

I Tried my 87 tune, and it feels like stock. I'm going back to my 93 tune on the next fill-up.

 

WOW that bad, stock is horrable after you get a cai and a tune