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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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#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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#46853 - 11/04/02 10:59 AM Re: Best Engine Oil
SCoach Offline
Member

Registered: 13/02/02
Posts: 215
Loc: Tallahassee, FL
I've seen that site before, as well as others, and nothing in it seems surprising. In fact it supports my earlier comments. I don't waste time talking about dino oils because for normal use they are practically interchangable. However, one statement on that web page need to be taken to heart by 4x4 drivers...

"The extended oil drain intervals given by the vehicle manufacturers(typically 7500 miles) and synthetic oil companies(up to 25,000 miles) are for what is called normal service. Normal service is defined as the engine at normal operating temperature, at highway speeds, and in a dust free environment. Stop and go, city driving, trips of less than 10 miles, or exterme heat or cold puts the oil change interval into the severe service category, which is 3000 miles for most vehicles. "

Hey, its your engine. You do what you want to. But I am perfectly happy running synthetics in my vehicles and will continue to do so until something makes me change my ways. By and large, so many people disregard basic upkeep, I'm even amazed that we have these discussions about oil.

Here's a question... how many of you actually flush your cooling system at the specified intervals? Or how many of you flush your brakes fluid every 1-2 years? Think your dealer is doing it? Ask them.

-P
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#46854 - 11/04/02 11:07 AM Re: Best Engine Oil
Toy4x4Guy Offline
Member

Registered: 07/04/02
Posts: 248
Loc: TN
Quote:
Originally posted by SCoach:
I've seen that site before, as well as others, and nothing in it seems surprising. In fact it supports my earlier comments. I don't waste time talking about dino oils because for normal use they are practically interchangable. However, one statement on that web page need to be taken to heart by 4x4 drivers...

"The extended oil drain intervals given by the vehicle manufacturers(typically 7500 miles) and synthetic oil companies(up to 25,000 miles) are for what is called normal service. Normal service is defined as the engine at normal operating temperature, at highway speeds, and in a dust free environment. Stop and go, city driving, trips of less than 10 miles, or exterme heat or cold puts the oil change interval into the severe service category, which is 3000 miles for most vehicles. "

Hey, its your engine. You do what you want to. But I am perfectly happy running synthetics in my vehicles and will continue to do so until something makes me change my ways. By and large, so many people disregard basic upkeep, I'm even amazed that we have these discussions about oil.

Here's a question... how many of you actually flush your cooling system at the specified intervals? Or how many of you flush your brakes fluid every 1-2 years? Think your dealer is doing it? Ask them.

-P
There's absolutely nothing wrong with using a synthetic oil. I just can't justify the price difference when dino will run for 5,000 - 7,500 miles. I took my Tacoma off road, and drove in dusty conditions, and had a K&N filter in it which supposedly lets more dirt in blah blah blah. My oil analysis came back with great results after 5K miles.

Synthetic oils may not break down as fast, but they still absorb dirt at the same rate as fossils. That's the issue I have. Using a top of the line oil filter is also a key factor to oil longevity. I've been using Mobil 1 oil filters for some time and am quite happy with them. Too bad they're so expensive.

I actually did a lot of research on oil filters as well, Look at this , and found a Purolator PureOne oil filter is just as good as a Mobil 1, and costs 50% LESS. Too bad it's not available for the Xterra 3.3L V6. I've e-mailed Purolator and they have no time frame for this either.

As far as radiator and brakes go, I use the "Multi-Meter" test on my antifreeze. You can put a Multi-Meter into the fluid, if it registers a certain amount on the meter, the liquid is still good. If it's over a certain number then it's becoming acidic and needs to be changed. I'll have to find my book on the actual number, but I believe it's up to .10V or something like that.

Brakes, I bleed and flush the system when the fluid becomes dark. That is usually not in a single year but more like 3-4 years.
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#46855 - 11/04/02 11:19 AM Re: Best Engine Oil
PismoTaco Offline
Member

Registered: 24/12/01
Posts: 263
Loc: Bakersfield, CA
Toy4x4Guy-
Yes, having my 25,000 mile oil change intervals do justify higher oil costs per quart. It is much much cheaper for me since I only have to change my oil once a year. And yes, you have the oil analysis that shows that this is perfectly fine. Plus I don't throw out gallons of good oil a year.

You say you do lots of research.. Then you would know that in EVERY study shows that a K&N on average lets in more dirt than a foam or stock filter. You may not show much dirt in your oil, but if you ran one of the others you would show less dirt or oil.

You only selectivly use what research or facts you agree with and toss out the others.
-Chris
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#46856 - 11/04/02 01:04 PM Re: Best Engine Oil
Toy4x4Guy Offline
Member

Registered: 07/04/02
Posts: 248
Loc: TN
Quote:
Originally posted by PismoTaco:
Toy4x4Guy-
Yes, having my 25,000 mile oil change intervals do justify higher oil costs per quart. It is much much cheaper for me since I only have to change my oil once a year. And yes, you have the oil analysis that shows that this is perfectly fine. Plus I don't throw out gallons of good oil a year.

You say you do lots of research.. Then you would know that in EVERY study shows that a K&N on average lets in more dirt than a foam or stock filter. You may not show much dirt in your oil, but if you ran one of the others you would show less dirt or oil.

You only selectivly use what research or facts you agree with and toss out the others.
-Chris
You and I hashed this out on the Tacoma board months ago and finally had to agree to disagree. I will encourage you to leave the K&N debate on that board as I'm sure the people here do not want to see it all over again.

I started doing analysis to prove that the K&N in MY Tacoma, in fact, was filtering. I had 13ppm (that's parts per MILLION) of dust in my oil after 5,000 miles of dusty conditions. That is "negligible" according to the analysis lab, so having even less was not a concern. SO, let's drop the K&N debate never to discuss it again, we're talking about oil here laugh .

Second, actually you never sent me a 25,000 mile analysis, but I doubt it would be "OK". The Analysis you did send me with a mere 11,000 miles on it was borderline for an oil that is advertised to go for 25,000 miles or more (Amsoil) eek . Your nitration level was already at 37% which is close to being too high. The comments on your analysis also stated this. Amsoil oil may be ok for 25,000 miles in certain vehicles, but obviously not for the 3.4L Tacoma motor. Many others who had their oil tested on the Tacoma had similar results. 16,000 miles ended up being the "usual" max life of the Amsoil oil on that 3.4L motor. To me that DOES NOT justify the $9.00 a quart for the oil, especially since the 3.4L holds 5.5 Quarts, not to mention whatever you have to add when doing the filter changes PLUS the cost of the premium filter.

I'm going to be testing my oil in the new Xterra. Every engine manufacturer will be different. Once I have some numbers on the Xterra I'll post them here. The main thing on the Xterra, is that oil changes are a MUCH easier job. The oil filter is very simple to get to and is actually mounted in such a way that spillage will be nill.

For those that want to take a look at the actual oil analysis I have posted may do so HERE
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#46857 - 11/04/02 02:28 PM Re: Best Engine Oil
PismoTaco Offline
Member

Registered: 24/12/01
Posts: 263
Loc: Bakersfield, CA
Toy4x4-
Yes, I know we've been through this before. You know my results are not typical of any other person on ttora as I don't think anybody on that board drives as hard as me or constantly sand drags his truck for hours every other weekend. I would also say that my truck sees more offroad miles per 100,000 miles than anybody else on that board.

As for K&N, I didn't state you wern't in the safe zone for your driving conditions. I just said that the number would have been lower than it was if you had ran a different type of air filter.

For many though in offroad conditions you ought to state that many a person has found that K&N filtering has not been up to snuff.
-Chris
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#46858 - 11/04/02 02:40 PM Re: Best Engine Oil
Toy4x4Guy Offline
Member

Registered: 07/04/02
Posts: 248
Loc: TN
Quote:
Originally posted by PismoTaco:
Toy4x4-
Yes, I know we've been through this before. You know my results are not typical of any other person on ttora as I don't think anybody on that board drives as hard as me or constantly sand drags his truck for hours every other weekend. I would also say that my truck sees more offroad miles per 100,000 miles than anybody else on that board.

As for K&N, I didn't state you wern't in the safe zone for your driving conditions. I just said that the number would have been lower than it was if you had ran a different type of air filter.

For many though in offroad conditions you ought to state that many a person has found that K&N filtering has not been up to snuff.
-Chris
Well, another guy sent me a report for Amsoil oil with only 16,000 miles on the oil. His needed changing, so I don't think it's your driving style, but more the engine in question.

I think the K&N filtering has more to do with quality control on the gasket than the filter media itself. I never saw a spec of dust behind my filter even after a serious run at the tail end of a group on a VERY dusty gravel road. I was fortuneate enough to have a tight seal. Many others I know were not so fortuneate and did find dust behind their filters.

Do you know if there is an Amsoil filter for the Xterra available? I'm wanting one of those since it is an excellent compromise of filtering ability and performance AND is cheaper than the K&N. I don't think the "seal" on the Xterra air box will be an issue as it was on the Tacoma due to the Xterra's air box design, so the K&N will likely work fine on the Xterra, but I'd rather not spend so much on it.

I can say without a doubt that you do spend more time in the sand than anyone I know. Two (or more) broken engine mounts speak of your driving style laugh . You obviously push things to their limits.
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#46859 - 11/04/02 02:45 PM Re: Best Engine Oil
PismoTaco Offline
Member

Registered: 24/12/01
Posts: 263
Loc: Bakersfield, CA
Toy4x4-
In the future I plan on buying a used baja race truck and doing that. Probably be 2 years down the road or so, but it's not really a question of 'if', but moreso 'when' I get around to start racing as a side sport.

As for K&N and Xterra.. go look, They probably make one. As for me, i have ideas of another TShirt 'prefilter' before my amsoil air filter; this sand really is annoying.
-Chris
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#46860 - 11/04/02 05:59 PM Re: Best Engine Oil
Axle Offline
Member

Registered: 18/03/02
Posts: 1229
Loc: Fort Carson, CO
As to the K&N and X question, they are finishing up the intake system for the S/C models right now. I just talked to the R&D guys the other day and after the S/C is done they are going to use both my 01 X and 01 Frontier laugh to make the intake for the naturaly asperated models. I plan on posting the item # as soon as all the work is done. cool
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#46861 - 11/04/02 06:25 PM Re: Best Engine Oil
Toy4x4Guy Offline
Member

Registered: 07/04/02
Posts: 248
Loc: TN
Quote:
Originally posted by axle59:
As to the K&N and X question, they are finishing up the intake system for the S/C models right now. I just talked to the R&D guys the other day and after the S/C is done they are going to use both my 01 X and 01 Frontier laugh to make the intake for the naturaly asperated models. I plan on posting the item # as soon as all the work is done. cool
You off roader types should be careful when running these types of intake systems. A buddy of mine recently threw a rod in his 2000 Tacoma due to mud getting sucked in through his K&N intake system.

I think the repair bill was somewhere in the $6,000 ball park.
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#46862 - 11/04/02 07:19 PM Re: Best Engine Oil
PismoTaco Offline
Member

Registered: 24/12/01
Posts: 263
Loc: Bakersfield, CA
Quote:
Originally posted by Toy4x4Guy:
[QBYou off roader types should be careful when running these types of intake systems. A buddy of mine recently threw a rod in his 2000 Tacoma due to mud getting sucked in through his K&N intake system.

I think the repair bill was somewhere in the $6,000 ball park.[/QB]
I'd also like to add that on tacomas, even though the K&N intake sounds cool, dyno runs have proven that the K&N intake systems actually shows LOSSES over the stock air box.
-Chris
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#46863 - 26/04/02 02:09 PM Re: Best Engine Oil
Argus Offline
Member

Registered: 13/04/02
Posts: 14
Loc: 38.3° N ...... 85.8° W
I have done my fair share of laboratory oil testing. The best oil that I ever tested was from a small company in Indianapolis, Indiana (D-A Lubricants Co.) So.....what makes for a good engine oil? Surprisingly, not lubricity! If you want to really extend that engine life, look for an oil that quickly neutralizes acids from the combustion process. Synthetics are a waste of time unless you have a high compression engine that creates excessive shear stresses. For the average person, the best compromise is Castroil (I'm not sure of the spelling) Castroil does have the acid neutralizers, but, unlike D-A Lubricants they don't have the little chemical hooks that keep the neutralizers in suspension and therefore increase the probability of collision between acid and the neutralizer.
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