Quote:
Originally Posted by amoreno73
The idea of the turbo four is at during cruising speed of 70 to 80 the turbo is not used and you can get 35 to 40 mpg. You can get the same results if you had a 6cyl 320hp with cylinder deactivation, so at cruising speed you are running at three cylinders which could probably get the same or better MPG. Also a turbo four needs super unleaded and V6 can run fine on 87 octane.
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Not true... my 4 cylinder ecoboost turbo ST ran fine with 87... wife's 6 cylinder ecoboost twin turbo flex runs fine on 87... It clearly states in the owner manual that these Ecoboosts will run j on 87 but if you
want optimal performance then you should run premium....