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#46828 - 03/03/02 01:48 PM Best Engine Oil
Ljxterra Offline
Member

Registered: 06/10/01
Posts: 59
Loc: san diego, ca
Just out of curiosity does anyone know what engine oil out there has the best reputation? (non-synthetic) When i get my oil changed, I usually just go to whatever is closest and the places use Penzoil or Valvoline and so on. Thanks for any info.

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#46829 - 03/03/02 09:41 PM Re: Best Engine Oil
Paul H Offline
Member

Registered: 23/08/01
Posts: 4757
Loc: Mt. Zion, IL
I have always heard great things about mobil 1. I have used it since the first oil change.
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#46830 - 03/03/02 11:10 PM Re: Best Engine Oil
ChuckH Offline
Member

Registered: 27/02/01
Posts: 5206
Loc: Seattle, WA
Just based on talking to mechanics and such, I would say Kendall, Valvoline, Mobil, and Quaker State are probably the top Four and probably pretty close to in that order. Most mechanics and trustworthy Auto parts people I've ever talked to have told me not to use Penzoil because it creates more deposits than the others. I only use synthetic; Mobil 1 or Amsoil these days.
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#46831 - 04/03/02 06:24 AM Re: Best Engine Oil
hmacmill Offline
Member

Registered: 12/02/02
Posts: 50
Loc: West Orange, NJ
Mobile 1 synthetic is the best oil out there.

Hugh

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#46832 - 04/03/02 11:17 AM Re: Best Engine Oil
Origami Gangsta Offline
Member

Registered: 24/05/01
Posts: 6497
Loc: Dammit! Even CLOSER to Smith a...
Here we go again.. :p

I'm OEM like a muthafucka.. Nissan filter, and dealer oil! They do it for me.. laugh
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#46833 - 04/03/02 01:02 PM Re: Best Engine Oil
rjm022 Offline
Member

Registered: 17/09/00
Posts: 480
Loc: york
mobil 1 is the best oil you can get from off of the store shelve.i believe the best oil out there, if you don't mind spending a little more, is amsoil

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#46834 - 04/03/02 01:54 PM Re: Best Engine Oil
DannyMan Offline
Member

Registered: 14/01/02
Posts: 25
Loc: Fremont, CA
I've always been happy with Mobil 1 and Redline. But then again, those were in my younger days when I used to drive something that would annoy Camaro owners. [Smoking]

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#46835 - 04/03/02 02:32 PM Re: Best Engine Oil
Todrick Offline
Member

Registered: 08/08/00
Posts: 7759
Loc: Arizona
Quote:
Originally posted by rjm022:
mobil 1 is the best oil you can get from off of the store shelve.i believe the best oil out there, if you don't mind spending a little more, is amsoil
pretty hard to argue that mobil-1 is better than 35,000 mile oil smile

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#46836 - 04/03/02 04:58 PM Re: Best Engine Oil
silverxglider Offline
Member

Registered: 16/08/00
Posts: 1673
Loc: Andes, NY
The question was the best "non-synthetic" oil.

I've used Mobil dino oil for many years and have never had an oil-related problem. My last truck (Trooper) lasted 165,000 miles until the timing belt broke (due to my stupidity). And my Nissan dealer uses Mobil too when I don't do my own oil changes.
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#46837 - 04/03/02 07:28 PM Re: Best Engine Oil
Todrick Offline
Member

Registered: 08/08/00
Posts: 7759
Loc: Arizona
sorry... i only saw the subject... and skimmed over it... didn't see that you specified non-syn in your post

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#46838 - 05/03/02 09:22 PM Re: Best Engine Oil
Azal Khan Offline
Member

Registered: 26/04/01
Posts: 78
Loc: Silver Spring, MD, USA
I have been using syntetic blended oil for about 18,000 miles now...I used regular oil for the fisrt 6,000 miles. The truck is fine. I started with Castrol's synthetic blend. Now I use Mobile One's synthetic blend...I will switch to synthetic some time.

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#46839 - 06/03/02 04:03 AM Re: Best Engine Oil
John Doe Offline
Member

Registered: 24/08/01
Posts: 966
Loc: Chattanooga
Any of the major brands of oil should be fine (as long as it displays the "Certified for Gasoline Engines" logo). Personally I use Valvoline All Climate (non-synthetic) because the bottle has an easy to read guage to measure the 3 1/2 quarts that the V6 requires. More important than the brand is that you use the proper viscosity, 5-W-30 (or 10-W-30 if you wish in warmer climates). Personally I use 5-W-30 year round in Tennessee.
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#46840 - 06/03/02 07:17 AM Re: Best Engine Oil
xterrasd Offline
Member

Registered: 23/09/01
Posts: 71
Loc: San Diego, CA
Mobil 1

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#46841 - 06/03/02 09:15 AM Re: Best Engine Oil
Azal Khan Offline
Member

Registered: 26/04/01
Posts: 78
Loc: Silver Spring, MD, USA
What are the proper viscosities? I heward that 10w40 can be used in all climates...What should I use when the avg. temp is 20 degrees in the winter season?....I have been using 10w30 all season....is that bad?

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#46842 - 06/03/02 10:49 AM Re: Best Engine Oil
PismoTaco Offline
Member

Registered: 24/12/01
Posts: 263
Loc: Bakersfield, CA
Quote:
Originally posted by Azal Khan:
What are the proper viscosities? I heward that 10w40 can be used in all climates...What should I use when the avg. temp is 20 degrees in the winter season?....I have been using 10w30 all season....is that bad?
0-30 is the best, 5-30 is second best. The first number is cold viscocity while the 2nd number is operating temp viscocity.

The kicker is that a 0w at 70F is still thicker than the 30w at engine temp. 5W is a lil worse, and 10W even worse than that. This is compounded even worse in cold weather.

Being that about 80% of engine wear occurs at startup you want the oil that starts flowing the fastest. Which is 0-30W.

So, even though I'm on the coast of Cali, I use 0-30W.

Now for anything ending in a 40W, Don't use it, it's thicker than nissan designed and won't get into the smaller places to lube as easily.
-Chris
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#46843 - 09/03/02 01:11 PM Re: Best Engine Oil
John Doe Offline
Member

Registered: 24/08/01
Posts: 966
Loc: Chattanooga
Quote:
Originally posted by Azal Khan:
What are the proper viscosities? I heward that 10w40 can be used in all climates...What should I use when the avg. temp is 20 degrees in the winter season?....I have been using 10w30 all season....is that bad?
Quoted from The 2001 Nissan Xterra Owners manual page 10-7:

"SAE 5W-30 viscosity oil is preferred for all temperatures. SAE 10W-30, SAE 10W-40 viscosity oils may be used if the ambient temperature is above 0 F (-18 C).
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some of the people can be alright part of the time, but
all the people can't be all right all of the time."

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#46844 - 10/03/02 12:21 AM Re: Best Engine Oil
SquidlyX Offline
Member

Registered: 17/11/01
Posts: 150
Loc: Chula Vista,CA
Using Mobil 1 in the X.Put 10w-30 in the first time I changed the oil and put 0w-30 in today when I changed it again. Used either Quaker State 4x4 or Valvolene synth blends 10w-30 in my 91 Hardbody with no problems.
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#46845 - 26/03/02 10:40 AM Re: Best Engine Oil
Saturday Morning Offline
Member

Registered: 27/12/01
Posts: 359
Loc: Shawnee, KS (Kansas City area)
If you Buy your own oil check the seal on the container. The first letter inside the circular seal is the service code, "S" for most passenger vehicles with gasoline engines. The second letter is the oil's rating. That is what you want to look at if you want to compare brands. The higher the second letter the better the rating. ie: "J" is better than "H".

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#46846 - 27/03/02 03:28 AM Re: Best Engine Oil
defibvt Offline
7
Member

Registered: 17/11/00
Posts: 4364
Loc: AZ
Quote:
Originally posted by John Doe:
Any of the major brands of oil should be fine (as long as it displays the "Certified for Gasoline Engines" logo). Personally I use Valvoline All Climate (non-synthetic) because the bottle has an easy to read guage to measure the 3 1/2 quarts that the V6 requires. More important than the brand is that you use the proper viscosity, 5-W-30 (or 10-W-30 if you wish in warmer climates). Personally I use 5-W-30 year round in Tennessee.
Good answer!!

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#46847 - 31/03/02 04:35 PM Re: Best Engine Oil
Rob Offline
Member

Registered: 01/04/01
Posts: 62
Loc: Pittsburgh,PA,USA
The only non-synth oil that I will use is Castrol GTX. I've been using it for years and I've never had a worry. I use it in my older cars and my bikes.

I use Mobil 1 in the new car and the X.

Rob

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#46848 - 31/03/02 04:36 PM Re: Best Engine Oil
Rob Offline
Member

Registered: 01/04/01
Posts: 62
Loc: Pittsburgh,PA,USA
The only non-synth oil that I will use is Castrol GTX. I've been using it for years and I've never had a worry. I use it in my older cars and my bikes.

I use Mobil 1 in the new car and the X.

Rob

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#46849 - 10/04/02 12:12 PM Re: Best Engine Oil
Patroldude Offline
Member

Registered: 10/04/02
Posts: 11
Loc: falmouth, MA
most non-synthetics are about the same, obviously the cheaper brands tend to have more imputities. For all you synthertic fans out there Royal Purple is the best, Hot Rod uses it for their dyno tests when they want to make an extra 3-5 hp to meet a specific number they want. It also protects at startup better, or at least tehy claim it does. :rolleyes: Expensive as hell, though.

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#46850 - 10/04/02 12:18 PM Re: Best Engine Oil
SCoach Offline
Member

Registered: 13/02/02
Posts: 215
Loc: Tallahassee, FL
Do you have any data that says its better than Amsoil? I am a Royal Purple fan, but I don't think its as good as Amsoil 2000, at least not according to the tribologists I've spoken to and the wear tests, and anti-corrosive tests I've read.

-P

Quote:
Originally posted by Patroldude:
most non-synthetics are about the same, obviously the cheaper brands tend to have more imputities. For all you synthertic fans out there Royal Purple is the best, Hot Rod uses it for their dyno tests when they want to make an extra 3-5 hp to meet a specific number they want. It also protects at startup better, or at least tehy claim it does. :rolleyes: Expensive as hell, though.
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#46851 - 10/04/02 12:51 PM Re: Best Engine Oil
rjm022 Offline
Member

Registered: 17/09/00
Posts: 480
Loc: york
royal purple states on their own site that their street oils are not 100% synthetic. if you want the best off the shelf synthetic, buy mobil 1. if you want the best and don't mind spending alittle more- go with amsoil.

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#46852 - 11/04/02 10:48 AM Re: Best Engine Oil
Toy4x4Guy Offline
Member

Registered: 07/04/02
Posts: 248
Loc: TN
Unfortuneately, 90% of the replies to this post are incorrect information eek . I've done pretty extensive research on engine oils and have found the following:

1. Castrol GTX is the best non synthetic oil.
2. FOR NON SYNTHETICS ONLY The smaller the difference between the two number on the oil, the better the oil will withstand wear and tear. I.E. 10W30 is better than 5W30.
3. Changing oil at 3,000 miles is not required with today's technology. 5,000 or even 7,500 mile oil changes are fine as long as your engine is running properly, i.e. no other engine materials contaminating the oil.

One source you can read that will show merit to my statement is More than you wanted to know about engine oil

I had several oil analysis tests ran on the oil from my Toyota Tacoma. At 5,000 miles the oil was still practically new. I'm going to do the same on my Xterra. Others should do some tests on their brand of oil to see which ones are the best. Let me know if you're interested in something like this, I have a buddy who can get us Oil test kits for about $19, including shipping to and from the lab. E-mail me at james.orrand@comcast.net as this forum will not notify me of new posts to this message.
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