5.4 is absolutely worthless - Page 2 - Ford Powerstroke Diesel Forum
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post #11 of 29 Old 11-04-2015, 01:17 PM
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The 3v 5.4 is a turd i will agree, but my 2000 F-150 just rolled 200k without any problems whatsoever even running a really hot 100 low lead tune.


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post #12 of 29 Old 11-04-2015, 05:55 PM
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the 2v 5.4 is a good engine. The 5.0 is a great engine. My ecoboost was trouble free for almost 100k miles.
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post #13 of 29 Old 11-05-2015, 09:39 PM
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Too funny, have a buddy with a 5.4 getting the cam business fixed right now........ But I think with good synthetic oil and regular maintenance and those engines will go a long damn time without any issues. Have another friend with a 2006 and his is silent as a mouse when its running, unlike the other one that rattled more than my 6.0

Honestly I do feel Ford got a little aggressive with the engine design but the setup does make HP. which is why they followed through with it. Just properly maintain them fellas

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post #14 of 29 Old 11-09-2015, 06:20 PM
 
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Quote:
Originally Posted by mhatlen View Post
Too funny, have a buddy with a 5.4 getting the cam business fixed right now........ But I think with good synthetic oil and regular maintenance and those engines will go a long damn time without any issues. Have another friend with a 2006 and his is silent as a mouse when its running, unlike the other one that rattled more than my 6.0

Honestly I do feel Ford got a little aggressive with the engine design but the setup does make HP. which is why they followed through with it. Just properly maintain them fellas
Definitely good advice...I think that would have helped many of them out there.

The one unavoidable issue I have seen here has been the leaking tensioners. Once the sealing O ring starts leaking, the top half of the engine gets starved of oil & the cams get wrecked. These are the same tensioners used on the older 2V engines, but seemed to have more issues. I believe the 3V uses a different pump with more oil pressure; I could only guess the added oil pressure contributes to this issue.

The Mustang guys with the 4V engines will often go to a metal tensioner (no rubber O ring to leak) but have never heard if these were acceptable to use on the 3V.

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Last edited by fordsvtparts; 11-11-2015 at 08:35 AM.
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post #15 of 29 Old 11-10-2015, 09:05 PM
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I was sent pictures of the engine getting the cam chains fixed. It is pretty much toast. The oil was not changed anywhere close to every 5,000 miles. It has sludge everywhere and the cam mains are badly scoured and most like the crankshaft is as well. He is replacing the entire engine!!

A real bummer for sure, he found a replacement engine with 110,000 on it and is putting it in. They went through the chains and tensioners so hopefully it's good to go.
Fella's I cant say it loud enough: Oil is CHEAP engines are not..............

It's not a bad design, but like anything else you get out of something that you put into it. Cant change the oil every 10-15,000 miles and get kicked in the as_ in the long run. He's getting it done by a Ford Master Mechanic on the side for $3,000.00. I think it's a hell of a deal, it's just a crying shame that it needs it done in the first place.

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post #16 of 29 Old 11-10-2015, 10:27 PM
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We sing the same tune for the 6.0 and 6.4... A 5.4 is cheap as balls compared to the diesels. I know of more than a handful of 6.0s that never would have had a problem if oil was changed properly and coolant was drained and filled ever 20-30k miles. The gassers are more forgiving in the short term but will still cost you a motor in the long run.

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post #17 of 29 Old 09-12-2016, 12:06 PM
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I was happy with mine in an F150. Outpulled my buddies GMC with a 5.3. Also made torque at a lower RPM than the hemi.

For a f250 would be a bit small
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post #18 of 29 Old 09-12-2016, 03:15 PM
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I don't like admitting it, but before I got my current 99 f250 7.3l, I looked at a 4dr,longbed f350 2004, with the 5.4v8 wow!!! I was very very disappointed my wifes 2006 corolla was faster! but I really wanted a 4dr and instead I went to a 7.3l, still not as fast as my previous 6.0's. but more then capable for what I tow and carry in the bed...

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post #19 of 29 Old 09-15-2016, 09:47 AM
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I had an Expedition with a 5.4 and the mileage sucked plus it cost a fortune to have the plugs changed on it. I know that's a expedition issue with it being pushed back so far into the firewall but I don't miss that motor. No way I'd buy a 250 with any gasser I know my Raptor 6.2 was a 9MPG guzzler I can't imagine a 250 with it in it... But on the other hand around here they're pretty cheap and can be had just about anywhere clean with low miles.

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post #20 of 29 Old 09-15-2016, 10:21 AM
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Quote:
Originally Posted by mhatlen View Post
It's not a bad design, but like anything else you get out of something that you put into it.
Actually its the complete opposite... its a horrible engine design.. not only do the cams get starved of oil once the seal goes but the cams do NOT have ANY bearings... The cam just rides directly on the cam mains in the head which is floating on a film of oil that has .001" clearance... so when the cams go they also take the heads out with it because there are no bearings to replace, so then the head becomes junk.. HORRIBLE design
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