View Single Post
Old 05-21-2015, 01:23 PM   #4 (permalink)
Master EcoModder
ever_green's Avatar
Join Date: May 2011
Location: Toronto
Posts: 263

Blueberry - '17 Mazda Mazda3 GS
90 day: 32.56 mpg (US)

EVO - '08 Mitsubishi Evolution MR
90 day: 23.82 mpg (US)
Thanks: 8
Thanked 77 Times in 32 Posts
Originally Posted by Daox View Post
Whats the question?

If you try going leaner you're going to have to advance the timing as I'm sure you know since a leaner mixture burns slower.
yes my concern is how much more advance? I'm already up about 5* in timing ( mid 40s now) it safe to hit 50* IGN? will that actually improve torque? I would be curious to see how the insight reacts when it switches to lean burn operation in terms of timing.

also my main question I guess is which will be the best air fuel ratio approximately for best fuel 17:1 good enough?
  Reply With Quote