Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post

redpoint5 · 08-15-2014, 04:11 PM

I run regular fuel in my premium spec'd car without issue. The car retards the timing a little to compensate for the loss in octane.

I don't see how reducing the compression ratio is more efficient than letting the ECU control the timing advance.

08-15-2014, 04:11 PM	#9 (permalink)
redpoint5 Human Environmentalist Join Date: Aug 2010 Location: Oregon Posts: 12,755 Acura TSX - '06 Acura TSX 90 day: 24.19 mpg (US) Lafawnda - CBR600 - '01 Honda CBR600 F4i 90 day: 47.32 mpg (US) Big Yeller - Dodge/Cummins - '98 Dodge Ram 2500 base 90 day: 21.82 mpg (US) Chevy ZR-2 - '03 Chevrolet S10 ZR2 90 day: 17.14 mpg (US) Model Y - '24 Tesla Y LR AWD Pacifica Hybrid - '21 Chrysler Pacifica Hybrid 90 day: 57.45 mpg (US) Thanks: 4,317 Thanked 4,472 Times in 3,437 Posts	I run regular fuel in my premium spec'd car without issue. The car retards the timing a little to compensate for the loss in octane. I don't see how reducing the compression ratio is more efficient than letting the ECU control the timing advance. __________________ Gas and Electric Vehicle Cost of Ownership Calculator Give me absolute safety, or give me death!