View Single Post
Old 09-12-2019, 09:28 AM   #12 (permalink)
Master EcoModder
Ecky's Avatar
Join Date: Dec 2011
Location: Vermont
Posts: 3,682

Gaptooth (retired) - '00 Honda Insight
Team Honda
Gen-1 Insights
90 day: 54.26 mpg (US)

Such Fit - '07 Honda Fit Sport
90 day: 41.27 mpg (US)

Connect - '15 Ford Transit Connect XL
90 day: 20.13 mpg (US)

K-sight - '00 Honda K-sight
90 day: 38.58 mpg (US)
Thanks: 1,424
Thanked 1,542 Times in 975 Posts
Originally Posted by serialk11r View Post
Correct, many older engines did not run rich at WOT until about 3500-4000rpm. Stepping hard on the gas is less detrimental in those cases.

Everything newer though does go rich. All of the Toyota [A/N/Z/G/U]R engines do for example.
I'm getting a bit off topic here, but this is in reference to engines as new as engines as new as 2015. I don't know if the revisions which got direct injection started going rich under heavy load, but that would be in the last 4-6 years.
  Reply With Quote