View Single Post
Old 05-14-2012, 07:47 AM   #33 (permalink)
bazman
EcoModding Lurker
 
Join Date: Apr 2012
Location: New Zealand
Posts: 46

Weird Thing - '00 Holden (GM) Commodore SS Series II
90 day: 18.67 mpg (US)
Thanks: 14
Thanked 1 Time in 1 Post
Quote:
Originally Posted by oil pan 4 View Post
If you run an engine lean under load you will burn valves.
Even the lean burn civic only ran lean at light load.
Replacing exhaust valves every 10k miles isn't very economical.
That does not mean lean is bad, it just means lean is for light load.
  Reply With Quote