89 or 91?
07-14-2012, 02:23 AM
#1
1st Gear Member
Thread Starter
Join Date: Nov 2011
Location: IL
Posts: 61
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?
