Ford replacing 2018 5.0s?
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
I am pretty sure you will be able to get a replacement engine with your consumption.
More Turbo
Joined: Aug 2007
Posts: 681
Likes: 11
I guess my question would be what is the cause of oil consumption and what changes if any we're made to the '19 powerplants. Doesn't help the '18 owner but going forward it would be nice to see if Ford implemented modifications
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
Pretty sure we will learn the cause is in the plasma coating and ring selection. Two components with a high hardness and low friction make for a terrible seal under normal conditions. The technology works in race cars because of high temperatures and higher cylinder pressure.
Moderator
Joined: May 2005
Posts: 8,227
Likes: 1,245
From: San Antonio, TX
I would think the quick fix will be to go with higher tension piston rings. That would likely cause the coating on the cylinder walls to wear prematurely though.
I agree with Tom that this tech is better suited to high performance applications. It’s probably not suited for truck use where there is extended low RPMs and/or idle times.
I agree with Tom that this tech is better suited to high performance applications. It’s probably not suited for truck use where there is extended low RPMs and/or idle times.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
That's my guess, it's not cost effective to change the plasma coating so the change to rings with a high tension seems logical or add a face coating. As it is these engines are not able to be rebuilt so at least everyone will get new short blocks.
Moderator
Joined: May 2005
Posts: 8,227
Likes: 1,245
From: San Antonio, TX
Maybe Ford could develop a CGI block for this small V8. Light weight and durable. Able to handle boost, rebuildable and able to handle an increase in displacement. Of course that would be another all new redesign. I'm not sure why the original cast iron lined block Coyote was not retained for truck use, other than simplifying and consolidating tooling.
I think this will be a bigger issue than just F150s. A lot of mustangs will have the same issue. Leave the high performance and high tech to the VooDoo 5.2.
I think this will be a bigger issue than just F150s. A lot of mustangs will have the same issue. Leave the high performance and high tech to the VooDoo 5.2.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
Oddly enough no issues on the mustang forums so far that I can see. Probably because they are driven harder. We have a 2018 5.0 shop truck for parts runs and it doesn't burn oil. However at least 3 people a day drive it and beat the hell out of it. It definitely is well broken in, pretty sure it goes full throttle between every red light lol.
Elder User
Joined: Jun 2012
Posts: 528
Likes: 3
From: Rochester,NY
Like many on here they say drive it Hard to seat the rings I think you're getting Blow by because of the low tension rings and the Plasma Coated Cylinder should be a pressed in sleeve along with the Cam driven HPFP, Cam Phasers making noise, and is there not 4 valves per cylinder.so double overhead cams.
Last edited by ecoboost12; Mar 6, 2019 at 05:47 PM. Reason: Miss Phrased
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Moderator
Joined: May 2005
Posts: 8,227
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From: San Antonio, TX
Oddly enough no issues on the mustang forums so far that I can see. Probably because they are driven harder. We have a 2018 5.0 shop truck for parts runs and it doesn't burn oil. However at least 3 people a day drive it and beat the hell out of it. It definitely is well broken in, pretty sure it goes full throttle between every red light lol.
Super Moderator
Joined: Aug 2003
Posts: 25,479
Likes: 742
From: Isanti, MN
I agree with the idea of pushing an engine to properly break-in the rings. I've broken in lots of engines that were known around the Internet for oil consumption issues, including a 2011 5.0 L in my Mustang. I have never had an oil burner. It is my guess that people who baby their trucks when new are the ones that are more likely to suffer oil consumption issues.
The rule I've always had, with new or broken-in engines, is to be easy on the throttle until it comes up to temperature. Then all bets are off.
I like to have fun while driving. I currently have a 2017 Pacifica and an old Prius; neither of which are driven "normally". I get some interesting looks from people.
The rule I've always had, with new or broken-in engines, is to be easy on the throttle until it comes up to temperature. Then all bets are off.
I like to have fun while driving. I currently have a 2017 Pacifica and an old Prius; neither of which are driven "normally". I get some interesting looks from people.
Tuned
Joined: Mar 2007
Posts: 271
Likes: 3
Oddly enough no issues on the mustang forums so far that I can see. Probably because they are driven harder. We have a 2018 5.0 shop truck for parts runs and it doesn't burn oil. However at least 3 people a day drive it and beat the hell out of it. It definitely is well broken in, pretty sure it goes full throttle between every red light lol.
Cargo Master
Joined: Feb 2004
Posts: 2,101
Likes: 60
From: N. Illinois
Hope this darn thing doesn’t decide to NOW repair itself with a PCV change. It won’t cure the antifreeze loss issue. Then they can long block the truck. If the next 3k don’t follow suit, which is now over 2 quarts in 4K, the trucks gone. I’m wore out. I only am skeptical because it seems the first 1,200 miles the oil level barely moves. Then it goes down fairly quickly afterward. It must be related to oil breakdown and driving style? I drive it the same mostvweeks, so why the delay in loss? No idea.
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