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Ford 2005-09 4.6 3 Valve V-8 #5260579 11/07/19 08:54 AM
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Snagglefoot Offline OP
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I noticed the 2005-2009 Mustang GT’s are pretty cheap and might make a pretty good muscle car for those interested. For those who have an opinion, what do you think about the reliability of the aluminum block 4.6 with the 3 valve heads that were in Mustangs from 2005-2009. I watched a video on replacing the chains and guides. Quite interesting. Thanks.


If you want the job done right......do it yourself.
Re: Ford 2005-09 4.6 3 Valve V-8 [Re: Snagglefoot] #5260603 11/07/19 09:09 AM
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They are great engine. The 4.6 loves synthetic 5W30 oil in my opinion. It's good to change the tensioners as soon as they start making noise on start up. The chain will smash the plastic guides until they break. Then you have a mess on your hands.


2010 Silverado 4.8 4x4 Mobil 1 5W30 Fram XG10060
2002 Mustang GT 4.6 Mobil 1 5W30 Fram XG2
1966 Cessna 150 Phillips 20W50
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Re: Ford 2005-09 4.6 3 Valve V-8 [Re: Snagglefoot] #5260625 11/07/19 09:29 AM
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atikovi Offline
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Replaced the chains and guides on one in an F150 with 290K. Nothing particularly difficult. Those engines in Town Car limos go over 500K all the time.

Re: Ford 2005-09 4.6 3 Valve V-8 [Re: atikovi] #5260629 11/07/19 09:32 AM
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mattd Offline
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Originally Posted by atikovi
Replaced the chains and guides on one in an F150 with 290K. Nothing particularly difficult. Those engines in Town Car limos go over 500K all the time.


You won’t see that mileage on a 3V engine. You’re thinking of a 2V....or 4V


2007 Ford F-350 4x4 6.0 PSD

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Re: Ford 2005-09 4.6 3 Valve V-8 [Re: mattd] #5260637 11/07/19 09:38 AM
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atikovi Offline
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Originally Posted by mattd
Originally Posted by atikovi
Replaced the chains and guides on one in an F150 with 290K. Nothing particularly difficult. Those engines in Town Car limos go over 500K all the time.


You won’t see that mileage on a 3V engine. You’re thinking of a 2V....or 4V


Isn't the single OHC a 3V?

Re: Ford 2005-09 4.6 3 Valve V-8 [Re: atikovi] #5260647 11/07/19 09:56 AM
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The older ones are SOHC 2V. Up to 2004.


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Re: Ford 2005-09 4.6 3 Valve V-8 [Re: Snagglefoot] #5260670 11/07/19 10:19 AM
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atikovi Offline
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Well, my F150 was a 2004 but my 210K Town Car was a 2010 and a 320K Town Car was a 2006. What problems do the 3V have over the 2V?

Re: Ford 2005-09 4.6 3 Valve V-8 [Re: Snagglefoot] #5260674 11/07/19 10:21 AM
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Snagglefoot Offline OP
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Just so my thread does not stall out, Wiki says the SOHC 3V was in the 2005-2010 Mustang GT, Ford Explorer, Mercury Mountaineer, and 2008-2010 Ford F series. I believe only the Mustangs got aluminum blocks. smile


If you want the job done right......do it yourself.
Re: Ford 2005-09 4.6 3 Valve V-8 [Re: atikovi] #5260686 11/07/19 10:38 AM
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Originally Posted by atikovi
Well, my F150 was a 2004 but my 210K Town Car was a 2010 and a 320K Town Car was a 2006. What problems do the 3V have over the 2V?

Cam phasers and timing issues associated with the VVT. The earlier 2v and 4v were simple motors that did not have these systems.


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2009 Kawasaki Vulcan 900
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Re: Ford 2005-09 4.6 3 Valve V-8 [Re: Snagglefoot] #5260712 11/07/19 11:25 AM
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The weird extended-shell spark plugs have a tendency to seize in their holes.


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Re: Ford 2005-09 4.6 3 Valve V-8 [Re: A_Harman] #5260714 11/07/19 11:26 AM
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atikovi Offline
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Originally Posted by A_Harman
The weird extended-shell spark plugs have a tendency to seize in their holes.


That's only on the 5.4s.

Re: Ford 2005-09 4.6 3 Valve V-8 [Re: atikovi] #5260775 11/07/19 12:17 PM
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Originally Posted by atikovi
Originally Posted by A_Harman
The weird extended-shell spark plugs have a tendency to seize in their holes.


That's only on the 5.4s.

The early 4.6 3v's have the same plug design. The tendency to seize is less due to the fact that the vehicles they were in(mustang) were usually driven in a way that reduces carbon build up.

Re: Ford 2005-09 4.6 3 Valve V-8 [Re: Snagglefoot] #5261307 11/07/19 11:57 PM
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Snagglefoot Offline OP
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Thanks everyone. smile


If you want the job done right......do it yourself.
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