Originally Posted by LoneRanger
My new F150 with the 2.7 ecoboost recently ran worse on a tank mid grade 89 than it has been 87. Just filled up with 18 gal of 87 (23 gal tank) and it's back to normal again. Owner manual says 87 is okay.
Over on F150forum.com there was a recent poll and 58% of respondents reported using 87 in their ecoboost. 323 respondents total, 188 said 87. 13 said midgrade (89), premium (91 & 93) was 122.
Yeah, same here. I don't know what's going on with the higher octane fuels.
Not consistently good.
My new F150 with the 2.7 ecoboost recently ran worse on a tank mid grade 89 than it has been 87. Just filled up with 18 gal of 87 (23 gal tank) and it's back to normal again. Owner manual says 87 is okay.
Over on F150forum.com there was a recent poll and 58% of respondents reported using 87 in their ecoboost. 323 respondents total, 188 said 87. 13 said midgrade (89), premium (91 & 93) was 122.
Yeah, same here. I don't know what's going on with the higher octane fuels.
Not consistently good.