Quote:
Originally posted by ayellowone:
I used premium fuel the first few months I owned my 2002 SC Xterra. I tried 87 octane and it ran exactly the same, no pinging whatsoever. Now I use 87 all the time. The engine is tuned extremely rich at WOT ( I checked it) and as long as the engine doensn't ping or detonate then I see no reason to use premium fuel.
yay, somebody that knows what they are talking about! (when it comes specifically to this engine)