Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Lean burn-thoughts, theorys, and discussion

amcpacer · 10-01-2010, 03:59 AM

I tried running lean with my 85 Chrysler Laser turbo by programming the computer to ignore O2 feedback and run lean under light cruising conditions. I have a LC-1 wideband readout. It would only function as low as 17:1 and anything leaner would cause misfire. I did however get best fuel economy running 16:1 at idle at hot idle and light cruise until +2 psi manifold pressure where it descends to 11.5:1 all the way to 19psi of boost.

I always wonder why this engine won't run lean like the rest of your guys engines.

10-01-2010, 03:59 AM	#19 (permalink)
amcpacer EcoModding Lurker Join Date: Jul 2008 Location: Oregon Eugene Posts: 47 Thanks: 8 Thanked 10 Times in 7 Posts	I tried running lean with my 85 Chrysler Laser turbo by programming the computer to ignore O2 feedback and run lean under light cruising conditions. I have a LC-1 wideband readout. It would only function as low as 17:1 and anything leaner would cause misfire. I did however get best fuel economy running 16:1 at idle at hot idle and light cruise until +2 psi manifold pressure where it descends to 11.5:1 all the way to 19psi of boost. I always wonder why this engine won't run lean like the rest of your guys engines.