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What type of engine oil do you use?

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Old 06-14-2011, 12:40 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, 01:01 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, 01:05 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, 01:12 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, 01:36 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, 02:00 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, 02:07 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, 02:49 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, 03:00 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, 03:14 PM   #10
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i use the ford motorcraft full synthetic oil. No probs with it.
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Old 06-14-2011, 04:54 PM   #11
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I use Unicorn blood for my oil and fairy tears for my coolant.


When cash is short I use 10-30 non-synthetic for the B302 motor (as that is what Brenspeed recommends) and 5-30 syn for everything else.
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Old 06-14-2011, 05:52 PM   #12
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Mobil 1 5w-50
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Old 06-15-2011, 03:35 AM   #13
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Ford Regular bottled 5W-20 since day one.
Changed every 5000 km's
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Old 06-15-2011, 07:06 AM   #14
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Quote:
Originally Posted by 07 GT E UPP View Post
Ford Regular bottled 5W-20 since day one.
Changed every 5000 km's


Even under harsh conditions, the Motorcraft synthetic blend is good for 5,000 mi and under normal conditions, up to about 7500 miles (as recommended in the OM). But if you enjoy changing your blend at 3,000 mile intervals, have at it. Even todays dino oils are good beyond the old 3000 mile change frequency in todays engines.
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Old 06-15-2011, 10:38 PM   #15
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[QUOTE=siggyfreud;7582564]I use Unicorn blood for my oil and fairy tears for my coolant.


yea i like to use mermaid tears to get to the fountain, god that movie sucked.

anyways Mobil 1 5-20 full syn for me
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Old 06-15-2011, 11:11 PM   #16
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Once a year with EA filter.

avg about 8k miles a year on the car.

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Every 15k with regular EA filter in my my beater/DD 94 accord with 175k miles on it. Approx every 6 months this equates to.



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Old 06-17-2011, 10:05 PM   #17
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Pennzoil Ultra 5W20
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Old 06-18-2011, 02:37 PM   #18
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I use RP 5w20 at the moment. I have 5000 miles on it now and it still looks as if it came straight out of the bottle. I intend to change it at 10000 miles but if it is still good then, I will maybe keep it a little longer.

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.
Actually, Ford designed the Coyote for much wider range than only 5w20 because the engine must accept the different oil weights that are SAE accepted for gasoline engines. This I believe is a USDOT regulation. Ford only says to use 5w20 because of CAFE requirements. But using 5w30 or 0w40 or any other oil weight that is acceptable for gasoline engines is ok. If I remember correctly, I think the Ford engineers who designed the 12 Boss 302 engine recommends 5w50? Or was it 0w50?
But all I am trying to say is TiVCT is designed to operate with even different oil weights so long as the weight is within SAE weights for gasoline engines.
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Old 06-18-2011, 10:27 PM   #19
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Motorcraft 5-20 synblend for 30,000 trouble free miles.

IIRC I have read that the closer tolerances of alot of late model engines require the thinner oil. The heavier oil will not lubricate properly.
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Old 06-19-2011, 12:15 AM   #20
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Just a question for the OP: do you feel a NEED to switch to a 5W30?
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Old 06-19-2011, 12:15 AM
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