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Old 01-02-2012, 02:08 PM   #1 (permalink)
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Thumbs down Is the 3.0L V6 DOHC 24V a bad engine?

We are looking into buying a 1999 Ford Taurus with a 3.0L V6 DOHC 24V engine. A friend that I trust who is a mechanic says the Taurus is fine as long as it's not the 3 litre Overhead CAM.

Is this a bad engine?
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Old 01-02-2012, 02:19 PM   #2 (permalink)
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Originally Posted by dbennett455 View Post
We are looking into buying a 1999 Ford Taurus with a 3.0L V6 DOHC 24V engine. A friend that I trust who is a mechanic says the Taurus is fine as long as it's not the 3 litre Overhead CAM.

Is this a bad engine?
Your friend is full of do do........
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Old 01-02-2012, 02:20 PM   #3 (permalink)
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Any engine that isnt maintained properly will end up being a "bad engine". The 24V DOHC is a very long lived and reliable engine, and was/is used in many different Ford and Mazda vehicles. There are a number of people on here who have well over 200K miles on them and a few with over 300K. The downside to the DOHC is that it is more difficult to work on than the 3.0 OHV Vulcan engine.
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Old 01-02-2012, 04:19 PM   #4 (permalink)
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Thank you Jeff
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Old 01-02-2012, 05:54 PM   #5 (permalink)
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Looks like we both had the same question in mind at the same time!! My thread is right next to yours. Think we both got the same answer, all in all not a bad engine at all, in fact sounds pretty darn good.....
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Old 01-02-2012, 06:45 PM   #6 (permalink)
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Looks like we both had the same question in mind at the same time!! My thread is right next to yours. Think we both got the same answer, all in all not a bad engine at all, in fact sounds pretty darn good.....
Lots of myths out there, best get info from the first source, those of us who have had these engines.

I have had 3 Vulcans, 3 Essex, now have 2 DOHC.

Vulcans are "old school" solid, old proven design, but iron on iron so heavy and rusts. They need regular coolant maint or they have real problems.

Essex blow head gaskets, just a matter of when, not if. Aluminum head on iron engine is not a good idea. Real torque engine, does not rev up well. Ended on Taurus/Sable in 1995.

Duratec is modern all aluminum, light weight, proven to be a good design. Now 15 years in the mill and any weakness has been recorded here. Good torque, good rev, quiet. PCV is in a real PAIN of a place, and needs to be maintained. Vacuum hoses and PCV hoses seem to rot early.

-chart-
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Old 01-02-2012, 07:01 PM   #7 (permalink)
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From all the engines that are on Ford, Duratec (DOHC) 30 is one of the most reliable. I have 180K on mine without major problems.
Actually, the engine is still used: Ford Duratec engine - Wikipedia, the free encyclopedia

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Old 01-03-2012, 04:34 PM   #8 (permalink)
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Quote:
Originally Posted by dbennett455 View Post
We are looking into buying a 1999 Ford Taurus with a 3.0L V6 DOHC 24V engine. A friend that I trust who is a mechanic says the Taurus is fine as long as it's not the 3 litre Overhead CAM.

Is this a bad engine?
i got almost 170,000 on mine, and still running strong...i sure as heck would not let your mechanic friend work on my car............
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Old 01-03-2012, 07:31 PM   #9 (permalink)
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I've got 5 gen3 tecs (24v dohc). 3 98s and 2 99s. 4 have over 200k mi. 1 has over 300k mi. No serious eng. or tranny problems on any of them. All 5 purr like Singer sewing machines.
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Old 01-04-2012, 12:04 AM   #10 (permalink)
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I have an old family friend who's been a mechanic for over 30 yrs. He's currently a lead mechanic at one of the most respected repair facilities in the area (pop. >200,000).
He said he probably works on more Tauri than any other car.
He gave me the thumbs up on the SHO (given that I weld the cams), and didn't really differentiate any of the engines as far as reliability.

No mention of any "characteristic" problems.

However, he did recommend I plan for a trans rebuild/replacement if I plan to put a lot of miles on it.
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