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Ford 3.5 powerboost vs ecoboost

Posted on 10/6/26 at 7:29 pm
Posted by Theotherpikecounty
pike county
Member since Aug 2014
692 posts
Posted on 10/6/26 at 7:29 pm
Anyone have any experience with this motor?

Ive currently have a 3.5 and 5.0 f150. Love the performance of the 3.5. Love the simplicity of the 5.0.

Any advice/experience with the powerboost. Im intrigued.


Edited to note im interested in the powerboost. I have personal experience with the ecoboost and aware of the cam phaser issues as well as the 10sp that comes with all f150s

This post was edited on 10/7/26 at 6:57 am
Posted by SuperSaint
Sorting Out OT BS Since '2007'
Member since Sep 2007
151986 posts
Posted on 10/6/26 at 7:33 pm to
I drive a 2023 with 50k no issues thus far. Getting about 20.5 mpg but I drive like a retard too
Posted by AllDayEveryDay
The Sticks
Member since Jun 2015
9997 posts
Posted on 10/6/26 at 7:38 pm to
I drive a 17 f-150 with the 3.5 and I have with 227k on the odometer and 1100 idle hours (equals about 35k miles). Cam phasers, coil packs, spark plugs are the only engine based repairs that have been done. Replace the oil and filter every 5-7k (I do 5k) and it'll live forever.
Posted by Arbengal
Louisiana
Member since Sep 2008
3583 posts
Posted on 10/6/26 at 7:45 pm to
I have a friend that has a 2021 F150 with 90,000 miles on it. No repairs whatsoever. 3.5 eco boost
Posted by Hickok
Htown
Member since Jan 2013
3035 posts
Posted on 10/6/26 at 7:53 pm to
I’ve gotten 400k out of a 5.0 (older 2012 version with the lower compression ratio). My current 5.0 has about 230k, but got a new engine put in around 110k, it was eating oil. Wife has the 3.5 and we need cam phasers rebuilt, she’s got a bit over 100k. Performance wise the 3.5 is great, but I’ll stick to the 5.0, it’s got plenty and once you get up the rpm curve it really shines.
Posted by OysterPoBoy
City of St. George
Member since Jul 2013
45976 posts
Posted on 10/6/26 at 7:55 pm to
Posted by Art Vandelay
LOUISIANA
Member since Sep 2005
11608 posts
Posted on 10/6/26 at 8:00 pm to
I have a 20 with 92k. I haven’t done shite. Love that engine. Only trouble I ever have with the truck is the radio. Nothing ever connects and it’s glitchy.
Posted by AndyCBR
Baton Rouge, LA
Member since Nov 2012
8420 posts
Posted on 10/6/26 at 8:04 pm to
quote:

Cam phasers


If one was truly as diligent in their oil changes as you say, cam phasers is a pretty big job and not a testament to reliability.

Yeah, at 227k most vehicles will need some kind of major repair but still not a great selling point.

I'm equally as critical of:
-The current Toyota V35 V6 that can't seem to figure out how not to spin main bearings.
-The previous 2.5 gen 5.7L Tundra that will almost certainly experience valley cover leaks, timing chain tensioner issues, or cam tower leaks in the same time period (despite BabyTac's constant reminders of how reliable his has been). Source: I own a 2018 5.7....
-Or the Ford 5.0L that are notorious for consuming oil due to out of round cylinders due to spray-in cylinder liners.

In short, they are all a gamble and if one plans to keep them long term you better save up for major repairs.

quote:

Replace the oil and filter every 5-7k (I do 5k) and it'll live forever.


Not without major repairs as you've experienced. Granted, good maintenance goes a long way and can buy you time.
Posted by Theotherpikecounty
pike county
Member since Aug 2014
692 posts
Posted on 10/6/26 at 8:14 pm to
quote:

have a 20 with 92k.


With the powerboost?
Posted by Theotherpikecounty
pike county
Member since Aug 2014
692 posts
Posted on 10/6/26 at 8:15 pm to
quote:

drive a 2023 with 50k no issues thus far.


Does it perform similar to the 3.5 eco? You have a experience with the two?
Posted by rexorotten
2314762 posts
Member since Oct 2013
5306 posts
Posted on 10/6/26 at 9:09 pm to
quote:

I drive a 2023 with 50k no issues thus far. Getting about 20.5 mpg but I drive like a retard too


Is that a picture of your truck in your avatar?
Posted by Barneyrb
NELA
Member since May 2016
7518 posts
Posted on 10/6/26 at 9:38 pm to
I drove a 2014 3.5 to 147k and then traded it in. Never had a problem and most of those were highway miles at either 62 or 78. Run a good synthetic, change regularly, and drive it like you stole it.

Most of the issues are with trucks that never get up to a decent operating temp and usually in town mileage.
Posted by MWP
Kingwood, TX via Monroe, LA
Member since Jul 2013
11310 posts
Posted on 10/6/26 at 9:42 pm to
Had a regular F150 with it as well as a Raptor. Cam phasers and timing chains killed both right after 100K. That’s the sweet spot for getting rid of one with the 3.5.
Posted by biglego
San Francisco
Member since Nov 2007
86009 posts
Posted on 10/6/26 at 9:45 pm to
I’ve got 7,500 miles on my 3.5. No issues!

Nvm I don’t have a powerboost.
This post was edited on 10/6/26 at 9:47 pm
Posted by biglego
San Francisco
Member since Nov 2007
86009 posts
Posted on 10/6/26 at 9:45 pm to
I understand the cam phasers have been fixed
Posted by adavis
North of I-10
Member since Aug 2007
5994 posts
Posted on 10/6/26 at 9:57 pm to
I drive a 2016 3.5 KR. Cam phasers and water pump are the only engine repairs. But the transmission went out at 90k miles.
Posted by Kashmir
Member since Dec 2014
10667 posts
Posted on 10/7/26 at 12:18 am to
‘21 3.5 XLT. Almost 60k miles.
Love the mpg from my truck. I’ve gotten 24+ on trips. No problems.
Posted by Kracka
Lafayette, Louisiana
Member since Aug 2004
42619 posts
Posted on 10/7/26 at 6:22 am to
I have a 6mo old 24 F150 with the 3.5 eco boost and I’ve been pleasantly surprised with it. So far the performance has been great. I really want to put some pipes on it, but I do t want it to sound like a go cart. I’d like to get it to sound like a V8
Posted by nealnan8
Atlanta
Member since Oct 2016
5363 posts
Posted on 10/7/26 at 6:46 am to
Drive down a steep downhill.
Posted by mdomingue
Lafayette, LA
Member since Nov 2010
49882 posts
Posted on 10/7/26 at 7:14 am to
I have a 2012 with the 3.5 Eco. No issues yet (bought it in 2014). Only have 130K or so on the truck, though. FX4
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