Diablo sport trinity and 2013 jeep slower after tune.
09-14-2013 | 02:16 PM
#12
JK Enthusiast
Joined: Apr 2012
Posts: 124
Likes: 0
From: Colorado
The 87 tune won't do much more than give you a small increase in MPG. when you tune to the 91 you will have a cooler burn, better spark, and increased timing. That's where you will see the power that I think you are looking for.