[stonecold]

can you run the 89 tune with 87 octane gas, just a general question that I've been wondering about.

 

[CHARGERTREV]

No, you cant.

 

[hemiitis]

You could do it, but you shouldn't do it...

 

[CHARGERTREV]

Ok yes, you COULD do it...but dont. I COULD set my car on fire, but I wont.

 

[hemiitis]

lol

Oops, I didn't read your post until after mine went in...

 

[dudeiwin86]

definately not,
your car will run slower because it will knock.

you can run the 91 with 93