89 or 91?
Thread Starter
1st Gear Member
Joined: Nov 2011
Posts: 61
From: IL
89 or 91?
Ok so in a couple of weeks im going to be leaving on a road trip from St. Louis MO to L.A. CA. would it be better for me to go down to a 91 tune or an 89 tune(from a 93) for the trip itself?
