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Switch to syn or not?

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Old Mar 5, 2011 | 10:32 PM
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poolboy1191's Avatar
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From: Goddard, KS
Switch to syn or not?
So I was thinking of switching my 2006 FX4 5.4 to synthetic.
I've got 50k on the clock.

Is this a good idea, bad idea?

What do you think??
 
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Old Mar 5, 2011 | 10:46 PM
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Both types of oils get the job done. I run synthetic because of the abuse I put my engine through.
 
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Old Mar 5, 2011 | 11:02 PM
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You'll be fine with syn. Ford recommends Motorcraft 5w 20 synthetic for the Triton engines. Its cheaper to buy at Walmart including filter.
 
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Old Mar 6, 2011 | 09:39 AM
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I use the motorcraft 5w20 in my truck. But i'm pretty sure it's only a synthetic blend.
 
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Old Mar 6, 2011 | 10:54 AM
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From: Joplin MO
It's a synthetic blend but it's as good as most so-called "synthetics".
 
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Old Mar 7, 2011 | 08:45 PM
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Your choice, you've may already be running a synthetic blend. I just think you need a good reason to switch. Maybe you want to extend your oil drain interval?
 
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Old Mar 8, 2011 | 12:06 PM
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i was running regular castrol, switched to fully synthetic castrol and got almost 1 mile per gallon better .
 
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Old Mar 8, 2011 | 06:33 PM
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Castrol synthetic is not synthetic but a group III dino oil, just like Mobil 1, and most of the rest.
Amsoil is a PAO synthetic if you really want synthetic.
 
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Old Mar 9, 2011 | 04:54 PM
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From: Joplin MO
Not all Amsoil is PAO any more.
 
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Old Mar 10, 2011 | 01:35 PM
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Originally Posted by glc
Not all Amsoil is PAO any more.
How True...
 
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