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redpoint5 · 06-14-2021, 11:13 AM

I think another problem with turbo engines is they tend to lower the compression ratio. My guess is the motor with more displacement had a higher compression ratio than the ecoboost.

06-14-2021, 11:13 AM	#24 (permalink)
redpoint5 Human Environmentalist Join Date: Aug 2010 Location: Oregon Posts: 12,439 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) Mazda CX-5 - '17 Mazda CX-5 Touring 90 day: 26.68 mpg (US) Chevy ZR-2 - '03 Chevrolet S10 ZR2 90 day: 17.14 mpg (US) Model Y - '24 Tesla Y LR AWD Thanks: 4,207 Thanked 4,387 Times in 3,361 Posts	I think another problem with turbo engines is they tend to lower the compression ratio. My guess is the motor with more displacement had a higher compression ratio than the ecoboost. __________________ Gas and Electric Vehicle Cost of Ownership Calculator Give me absolute safety, or give me death!