What type of engine oil do you use? - MustangForums.com


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Old 06-14-2011, 01:40 PM   #1
MustangBoy28
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Default What type of engine oil do you use?

My 2006 has about 48,500 miles on her and I've been using 5W-20 like the user manual has recommended. Do any of you use anything different? And is it safe to start using a thicker oil once I hit a certain millage?

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Old 06-14-2011, 02:01 PM   #2
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I am currently running Motorcraft Synthetic Blend 5W20. I got a pretty good deal on a case of Amsoil 5W20 so that will be next. I have a 2002 Ford F 150 that has 135,000 on it, and I run Motorcraft Synthetic Blend 5W20 in it with no problems at all.
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Old 06-14-2011, 02:05 PM   #3
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Amsoil Fully Synthetic 5w30 in my 2009 from day one. The factor only uses 5w20 in these cars to improve their gas mileage by a smidge. 5w30 is absolutely fine to use.
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Old 06-14-2011, 02:12 PM   #4
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I run Amsoil Synthetic 5w-20 currently but I don't like the price that amsoil demands. I'll be running Pennzoil Ultra 5w-20 or Mobil 1 0w-20/30 next time around.
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Old 06-14-2011, 02:36 PM   #5
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Amsoil 0W20 full syn at 8k-10k mile changes w/Amsoil's Ea filter here but I've read that 5W30 is just fine in these engines. I may go to 5W30 Pennzoil Ultra since: 1) I don't put 8k-10k miles on the Stang within a year anymore (not my DD), 2) using 5W30 would standardize the oil that I use in my other 2 vehicles and 3) I have the Pennzoil Ultra sitting in the garage for the Stang or the SUV, whichever comes first.
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Old 06-14-2011, 03:00 PM   #6
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I stick to OEM 5W-20 simply because of the VCT on these engines. They utilize oil pressure to adjust the timing . You start messing with the weight of oil you will affect the efficieny of the VCT system.

Cars that don't have this system I generally go to a 10W-30 or 10W-40 (during spring summer fall only of course) to help with the engine wear over time. I have no clue how the VCT system ages over time so I'd rather not guess.
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Old 06-14-2011, 03:07 PM   #7
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Quote:
Originally Posted by Derf00 View Post
I stick to OEM 5W-20 simply because of the VCT on these engines. They utilize oil pressure to adjust the timing . You start messing with the weight of oil you will affect the efficieny of the VCT system.

Cars that don't have this system I generally go to a 10W-30 or 10W-40 (during spring summer fall only of course) to help with the engine wear over time. I have no clue how the VCT system ages over time so I'd rather not guess.
< ...making mental note to maintain my Amsoil Preferred Customer account... >
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Old 06-14-2011, 03:49 PM   #8
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I use Ford's Motorcraft Synthetic Blend 5W20 with a Motorcraft filter. I won't waste my money on "Boutique brands" that cost 3-4 times as much. Buy hey, that's just me.
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Old 06-14-2011, 04:00 PM   #9
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Amsoil Synthetic 5w30 here now too.
Was running Valvaline VR1 10w30 racing oil for break-in of built engine.
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Old 06-14-2011, 04:14 PM   #10
7gtthrilla
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i use the ford motorcraft full synthetic oil. No probs with it.
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