Post by
nissanfanatic »
https://forums.nicoclub.com/nissanfanatic-u21678.html
Tue Jan 10, 2006 9:06 pm
When you order an Enthalpy ECU, you send him a "mod list". Just include that you will be running 91 octane fuel and he will adjust timing accordingly along with air/fuel ratio.
I run 2degrees off base just to be safe/have weak character.