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Old 02-02-2005, 03:21 PM   #1
HomeBase
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Default 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

(also posted this at BITOG)

Shell Rotella T 5w-40 Synth
Filter: Amsoil SDF57
Makeup Oil: none
Sample taken, oil not changed, topped with 1 qt of Pennzoil 5w-40 Synth

Fresh PCV at start of OCI
Cleaned the EGR & throttle body plate 1500 miles into interval

Mostly highway driving, a handful of "let 'er warm up by idling" mornings, FP and LC used.

Insolubles are down thanks to a more robust oil filter IMO.

Bottom line: it's running quite rich. I'm going to changed the ECTS. This truly is a Saturn-ism. Hopefully this cures the fuel issue.

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Old 02-02-2005, 05:37 PM   #2
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2008 Astra XR
Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

Results look good. I would run the oil until at least 5,000 miles and test it again. The numbers are well within acceptable ranges. Not sure if the flashpoint even matters. IMO viscosity and insolubles are the two key factors. Of course you don't want fuel, coolant, or water in the oil, but it looks like you don't have a problem there.

...
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Old 02-06-2005, 10:43 PM   #3
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1999 SL2
Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

I replaced my ECTS today before it failed. It had hairline cracks, that when pushed, became fractures. You may want to get that ECTS changed soon. It seems that it is not if, but when it will fail. Also, I go to Bitog and follow all of your UOA's. I want you to get the fuel reading down, so I will have an idea what extended drain intervals are possible with this engine.

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Old 02-10-2005, 11:59 AM   #4
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Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

Tiger, I appreciate that someone is interested in Saturn data!

I just switched from the RotellaT to Pennzoil 5w-30 dino SM formula. I'm really impressed with this oil! The free-revving spirit has come back just as higher MPG has as well! 30-32MPG for the RotellaT using V-Power and FP, 36.5MPG on the first tank with PZ, Shell V-Power and FP. That's a big difference in my book.

If fuel dilution is an issue, MPG can only go up once I get the dreaded ECTS replaced!

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Old 02-10-2005, 01:10 PM   #5
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Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

you guys are seriously using oil thats made for big ass diesels in your cars?

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Old 02-10-2005, 05:19 PM   #6
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Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

The oil is not only spec'd for diesel engines, it also has the standard passenger car SL rating on the bottle too. Most "diesel" oils such as Delo 400, Delvac 1300 and Pennzoil Long Life are far more robust and last far beyond the "3 months or 3000 mile" mindset.

It's a misconception that "diesel" oils can't be used in passenger cars given their successful SL rating. Honda's preferred oil in Japan is 15w-40! NOT the 5w-20 that's being used in the U.S.

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Old 02-10-2005, 05:21 PM   #7
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Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

Looks like ive got some research to do.

...
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Old 02-10-2005, 10:22 PM   #8
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1992 SL2
Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

I've run Delo 400 on my '92 SL2 and liked how it performed... but anytime I sent a sample to Blackstone they'd say to stop using diesel oil or risk damaging the catalytic converter.

HomeBase... have they said the same to you? Reading some on BITOG I'm not convinced that it really is a problem or not. I burn about 1 qt oil / 1000 mi or so.

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Old 02-10-2005, 10:28 PM   #9
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Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

Quote:
Originally Posted by pickardracing
Looks like ive got some research to do.
Here is a good place to start:

http://www.bobistheoilguy.com/

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Old 02-10-2005, 10:57 PM   #10
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Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

Not sure i want to use that site as a reference, i know that its filled with Schaeffer's propoganda. But ill give it a look.

...
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Old 02-10-2005, 11:37 PM   #11
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1995 SL2
Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

Where are the sources for oil analysis and what does it usually cost?

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Old 02-10-2005, 11:38 PM   #12
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Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

I've never used Schaeffer's, but the proof is in the analysis...they're oils are top notch. They're just more costly than others.

HDEO won't kill a cat. I don't buy that at all, although I used to.
Why?

Look at the ZDDP levels of non HDEO oil...SL spec's run around 800-1000ppm. HDEO's run 1000-1300ppm. If you burn a quart of HDEO per 1000 miles or you burn 1.5qts of thinner "regular" oil, what's the difference? Looking at the big picture, it just doesn't add up to me.

And, at what point will at cat be "poisoned"? There's NEVER any documentation on that...just the fear that it will be ruined.

HDEO's will be pressed to reduce ZDDP levels in the near future, much like the SM-based in the passenger car world.

My rant is over.

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Old 02-10-2005, 11:43 PM   #13
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Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

Quote:
Originally Posted by Sky King
Where are the sources for oil analysis and what does it usually cost?
I just used Blackstone Labs for the first time, and I thought they offered a decent product. Fast and informative. The test cost $20 + shipping. Here is the link...

http://www.blackstone-labs.com/

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Old 02-11-2005, 01:00 AM   #14
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Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

Quote:
Originally Posted by pickardracing
Not sure i want to use that site as a reference, i know that its filled with Schaeffer's propoganda. But ill give it a look.
Actually, I think the person who started that site, Bob, distributed Schaeffer's products. At least he talked about the products in some posts I have read. But, I have not found a lot of information on Schaeffer's products since I have joined. Many people have had great UOA's using their oil. I live here in St. Louis, so it would be very easy to go to the Schaeffer's and pick-up their products. I am using something called Auto-RX and Fuel Power instead. My cars have never run better. What I have found at BITOG is a lot of information that dispels myths, and scientific evidence of what works and what does not.

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Old 02-11-2005, 09:51 AM   #15
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Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

Quote:
Originally Posted by HomeBase
Most "diesel" oils such as Delo 400, Delvac 1300 and Pennzoil Long Life are far more robust and last far beyond the "3 months or 3000 mile" mindset.
haha ALL oils last beyond 3/3000. Even the Wal-Mart brand SuperTech I use.

If people woudl READ THEIR OWNER'S MANUAL they would learn that 3/3000 oil changes are largely a thing of the past. Only a handful of driving conditions warrant oil changes that soon.

...
Past Saturns: 97 SL2, 01 SC2, 04 VUE, 08 Astra, 02 L200.

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Old 02-11-2005, 11:16 AM   #16
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Default Re: 96 SL2, Used Oil Analysis, Shell Rotella-T 5w-40 Synth

Quote:
Originally Posted by spencerb
haha ALL oils last beyond 3/3000. Even the Wal-Mart brand SuperTech I use.

If people woudl READ THEIR OWNER'S MANUAL they would learn that 3/3000 oil changes are largely a thing of the past. Only a handful of driving conditions warrant oil changes that soon.
OK, I am reading my OWNER'S MANUAL:

When to Change Engine Oil: See if any one of these is true for you:

-Most trips are less than 5-10 miles (no)
-It is below freezing day and night. (This time of year much of the time)
-Most trips include extensive idling (Definately, well, how do define extensive?)
-You frequently tow a trailer or use a carrier (never)
-You drive in dusty areas (rarely)
-Your Saturn is used for delivery service, police, taxi or other commercial applications (I use it to transport clients?)

I am under warranty, so for now it is 3,000 intervals. The question is how far can you run SuperTech oil unless you do an oil analysis? That is why I am hoping Homebase can get some good data as to what works, and what does not. My only problem with oil analysis is that it is cheaper to do shorter intervals with the 88 cent Havoline oil I purchased. If this car did not have such problems with oil control rings sticking, I would be a little more comfortable with what you are saying Spencerb.

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