2012 3.5L ECO - spark plug gap
02-13-2016, 08:14 PM
#12
Senior Member
Thread Starter
well my drives back and forth to home on weekends that used to be close to 20mpg are not struggling to get 17.5 to 18.
I did change to Ford towing mirrors right after I did the plugs by the added frontal area/wind resistance should be negligible.
I did change to Ford towing mirrors right after I did the plugs by the added frontal area/wind resistance should be negligible.
