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Ford F150 5.0 vs 3.5 Ecoboost
- Thread starter aragorn1
- Start date
I purchased an aftermarket harness that bypasses the auto start/stop feature.
2019 F-150 with 5.0 10spd tranny. Living in the mountains the transmission was constantly searching for a gear (upshift/downshift) until I installed an HP tuner and had my friend Tony load a custom tune. He bumped the horsepower up to 425 and changed the shift points and now it runs great. Lot’s of power, torque and I towed a 20’ enclosed trailer to Wisconsin and back and average 12.5 mpg. My usual MPG in the mountains is 19 and 24 on the road without a trailer.
You can turn that off on newer models or it cancels in Sport mode.
I’ve got a plug in at that goes in the ODB port that bypasses the auto start/stop.
Forgot to add that I love the growl when you stand on it!
5.0 23 has 400 hp 20000 miles in last 6 months. Not any problems thus far. I've owned at least 14 5.0 150s, the only one I ever had a problem with was the new o4 that blew up at 41000 miles. Drove the tubro was not impressed!
We run ford trucks and vans in our fleet at work of every iteration imaginable for the last 10 + years. The vehicle that has the most asses in the seat and has the highest mileage on it and gets the absolute **** kicked out of it is a 2014 f150 stx with the 5.0 in it. We also have 2 x 2022’s 4x4’s with the 5.0’s in them and a couple with the 3.5’s and 2.7’s… 5.0’s seem to be lowest maintenance out of the group and it’s a toss up after that. Biggest turd we ever had was a 2018 super duty with 6.2 gasser, absolute lemon!
I did too....2021 model w/3.3L V6...harness plugs into the back of the switch
One thing that has not been mentioned is towing? Are you towing and what?
