Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - 1997 Civic CX to HX engine/VX trans swap! 63 MPG @ 62 MPH

brucepick · 09-17-2012, 01:07 PM

I checked speed vs rpm's in my HX this morning. Before using Marvel Mystery Oil in my fuel, it needed approx 2500 rpm or better to get lean burn. Nowadays I can run lean well below 2000. So try for LB above 2500 to test.

Today I noted:
ScanGauge "LOD" below 60 to go into LB.
Once in LB, LOD over 90-91 will put it out of LB.

Up till today I was using the TPS for same purpose,limits were 19 max to get LB and over 32 would end it. But the TPS limits actually vary with your rpm's, I think LOD numbers are a more consistent guide.

09-17-2012, 01:07 PM	#19 (permalink)
brucepick OCD Master EcoModder Join Date: Dec 2007 Location: Eastern CT, USA Posts: 1,936 Outasight - '00 Honda Insight Team Honda Gen-1 Insights 90 day: 54.18 mpg (US) Thanks: 431 Thanked 396 Times in 264 Posts	I checked speed vs rpm's in my HX this morning. Before using Marvel Mystery Oil in my fuel, it needed approx 2500 rpm or better to get lean burn. Nowadays I can run lean well below 2000. So try for LB above 2500 to test. Today I noted: ScanGauge "LOD" below 60 to go into LB. Once in LB, LOD over 90-91 will put it out of LB. Up till today I was using the TPS for same purpose,limits were 19 max to get LB and over 32 would end it. But the TPS limits actually vary with your rpm's, I think LOD numbers are a more consistent guide. __________________ Coast long and prosper. Driving '00 Honda Insight, acquired Feb 2016. Last edited by brucepick; 09-17-2012 at 02:10 PM..