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So this article mentions 10 engines that can go 500,000 miles. Some people have pointed out to me that the 6.2L V8 engine should have been on this list. Are there any other engines that should have made this list?
i have never seen an egoboost or 400 last anywhere near 500k miles. and they did not include the 6.9 or 7.3 IDI diesels, or the 7.3 powerstroke diesel either.
I certainly agree with the I6 -- which I've read was designed by White
On the other hand, I used to read about all of the spark plug issues with the 5.4 -- and maybe the other 2 modulars. Took Ford years to straighten that out. Maybe they were good if you got the plug situation sorted out.
Don't know a lot about much about the ecoboost -- or egoboost -- an even better name for it. It's a pretty complex beast and it may go pretty well if you really take care of it -- or it might not.
On the other hand, I used to read about all of the spark plug issues with the 5.4 -- and maybe the other 2 modulars. Took Ford years to straighten that out. Maybe they were good if you got the plug situation sorted out.
HJ
That was greatly over-hyped and simply not quite as "epidemic" as a few almost always contended. Even to this day the real cause has never been assigned to any one factor. I was NOT due the so-called 3.5 thread heads--it all likelihood it was due to some heavy-handed "mechanic" installing them improperly including out-of-spec torque. I've successively installed plugs in my own Modular Motors without a single issue in over 12 years so far. Following well-known installation suggestions you'll have that sort of "luck".
agreed. i have done at least 100 sets of spark plugs on 4.6 and 5.4 engines, and never had a blowout.
but i always torqued them to spec.
In the early years, the factory plugs had far fewer threads than the replacements. The 6.8L V-10's suffered the same issues for the same reasons.
Don't be duped by the internet, there's an azz ton of 3.5's out there with a ton of miles on them. People hear "gas turbo" and they get scared but they'll jump right into a turbo diesel such as that POS 6.0L and 6.4L and think all is well when it isn't.
The 3.5L is actually a truck engine with 6 bolt mains and a super heavy duty bottom end. That little six weighs more than the 5.0L V-8. There have been failures, there will always be failures.
But I have to agree, where the 6.9, 7.3 and 6.2L engines on this list?
i have a 3.5 Tim, and feel it is one of the best engines i have ever owned. . it is not an egoboost though.
we had three of them at work over the years, and none of them made it to 100k miles.
they were very well maintained, but worked hard.
I'm sure you guys know about the modulars -- I just remember the posts all over the place here -- and service tech magazines often mentioned them.
It seemed to be in 3 stages
1. Plugs popped out - Ford recommended torquing to something like 12 foot pounds
2. First modification -- many plugs froze in and broke when trying to remove -- the Lisle tool was frequently mentioned.
3. 2nd mod -- no more complaints.
I believe you guys -- just reporting what I saw over the years.
yup. 11 to 15 ftlbs torque for spark plugs. too little, they popped out because they loosened up. too much and they popped out because the threads were stripped out of the heads.
like i said, of all the plugs i changed i never had one pop out because i always torqued to 14 ftlbs.
and i had one engine i changed the plugs on four times, it was still running when the guy sold it at 380 K and change miles two weeks ago but the body was falling off the van. guy bought it for the driveline to swap into another truck.
the 04 i just sold a few months ago has 243k and change on it now.
That was greatly over-hyped and simply not quite as "epidemic" as a few almost always contended. Even to this day the real cause has never been assigned to any one factor. I was NOT due the so-called 3.5 thread heads--it all likelihood it was due to some heavy-handed "mechanic" installing them improperly including out-of-spec torque. I've successively installed plugs in my own Modular Motors without a single issue in over 12 years so far. Following well-known installation suggestions you'll have that sort of "luck".
In July '96 I ordered a '97 F-150 with the 5.4. I don't know exactly where in the assembly line it was queued, but my truck was in the first run of that year and was delivered to me about Nov 1, '96. That was also the first year the 5.4 was available in the F150.
Over the next 23 years I put 300,000+ miles on it and other than routine maintenance, the only times a wrench was put on it was to change the starter (and A/C compressor). That's a rock solid motor in anyone's book.
In July '96 I ordered a '97 F-150 with the 5.4. I don't know exactly where in the assembly line it was queued, but my truck was in the first run of that year and was delivered to me about Nov 1, '96. That was also the first year the 5.4 was available in the F150.
Over the next 23 years I put 300,000+ miles on it and other than routine maintenance, the only times a wrench was put on it was to change the starter (and A/C compressor). That's a rock solid motor in anyone's book.
My 2000 E250 is about the same, changed plugs maybe twice since first obtaining it in 2008---with 208K miles on it at that. Now with 297K miles it's still running everything original; starter, transmission and engine. Have replaced three OEM COP's, one alternator, brake pads + rear shoes so yeah I'd agree generally the 5.4 is a good engine and 2000 was a good "era" for Ford trucks/vans!