View Poll Results: What Oil Do You Use
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- 488. You may not vote on this poll
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Synthetic
425 87.09% -
Dino
40 8.20% -
Blended dino/synthetic off the shelf
17 3.48% -
I mix my own
6 1.23%
Results 901 to 920 of 1385
Thread: I'm a Oil Junkie
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09-06-2009, 04:26 PM #901
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09-06-2009, 04:27 PM #902
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09-07-2009, 05:28 AM #903
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09-07-2009, 07:53 PM #904Member
- Join Date
- Apr 2006
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- Chowchilla CA
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- 71
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- 287
White- 2001 Z28
The comments are the best I can do!
Blackstone Comments:
It looks like the engine handled the extended drain interval well. Metals again read at or less
than averages. The additive formulation in the spectral data of this sample is somewhat similar to that of the
last, but the sodium level appears a bit high for this oil type. This could be from additive in the previous fill,
but we'll watch sodium next time, as it is a major component in antifreeze. Physical characteristics of the oil
were stellar: the viscosity read in spec for this oil type, and no moisture or fuel was among the sample
content. 10K miles on the next fill looks realistic.
8500M on Amsoil with better results than 3500M on Edge.Last edited by lonewolf37; 09-07-2009 at 09:02 PM. Reason: Clarify
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09-07-2009, 11:08 PM #905
Nice Motor Oil Shootout!
It’s examples like this that prove all motor oils are not created equal and that top tier synthetics can easily go past the outdated 3,000-mile oil change interval.
So this means you can pay what? $7.47 a quart for 10W-30 Castrol Edge, or $6.70 a quart for 10W-30 Amsoil High Performance Synthetic, and the Amsoil can last three times as long as verified by Blackstone independence laboratory analysis; only real numbers and not marketing hype.
Also, I can’t see the actual wear numbers or remaining TBN content from the report, but dare I say that Amsoil’s 15,000-mile/1-year severe duty recommendation for this oil might not be too outlandish after a couple more oil change intervals and allowing the Amsoil chemistry a chance to really stabilize inside your engine?
AMSOIL for the win!!!

Amsoil 10W-30 100% High Performance Synthetic - link
Now only $6.70 per quart with the Amsoil Preferred Customer Membership - linkLast edited by CompSyn; 09-10-2009 at 04:49 PM.
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09-09-2009, 12:11 AM #906
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09-10-2009, 09:26 AM #907Junior Member
- Join Date
- Aug 2009
- Location
- Portugal
- Posts
- 9
Mobil 1 is good for brake-in's
as factory fill... to let the engine go loose and fresh and powerfull
or as regular use to gasoline engines that have low output per cubicage
it is very clean oil, well adapted to big V-american-family-car-engines
High performance engines require much better protection.
thats what i think of the UAO iv seen so far.. and experience with it.
current M1 0w40 is a.k.a. "the best 5W30 that Mobil manufactures"... since it shears-down very easily.
The aditive package is so big that the chemical stability is compromised and imperfect.
Therefor, suitable for new engines that need a moderate lubrication to soften the surface of every moving part, and need the detergency to clean it away for once and for all. Thus this gives you the well-performing new engine.Last edited by Ricardo; 09-10-2009 at 09:34 AM.
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09-11-2009, 02:59 AM #908Grand Imperial Wizard
- Join Date
- Aug 2005
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- Texas Department of Corrections
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- 18,128
- Retired Outlaw Sum Bitch
Ricardo....nothing "softens" the metal friend. That is bullshit. Mobil1 shears out of grade due crap add packs. They went cheap and blamed it on the weather ( Hurrican Ike)...and it's been so so oil ever since.
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09-11-2009, 08:26 AM #909
i knew that post was going to get sarge out haha.
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09-11-2009, 12:40 PM #910
What others are saying...
Here is what, Tom Schaefer, retired vice president of sales and marketing for the Hatco Corporation recently said about the current state of Mobil 1 products.
Originally Posted by Tom Schaefer – Bob Is The Oil Guy forum
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09-14-2009, 10:19 AM #911Junior Member
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- Portugal
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- 9
yes... its not exactly "softening" as you said
i meant, this process:
http://www.ntnoa.org/enginebreakin.htm
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09-21-2009, 03:10 PM #912
I just put in mobil 1 10w-30 500mi ago. Heard some less than flattering things when I was browsing through the road race section on another sight whooppeee!
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09-21-2009, 04:14 PM #913
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09-23-2009, 06:19 PM #914Junior Member
- Join Date
- Dec 2008
- Location
- Dallas
- Posts
- 7
Cleanup and maintenance for a used LS1
Until I found this thread, I didn't know oil could be so interesting... how it can tell the story of an engine... Thank you everyone for sharing what you have learned, especially Sarge... I really admire your attitude and approach, experimenting a little and then making judgments based on measured results instead of marketing and rumours... a real world scientist. I have certainly learned a lot about oil here, but more than anything I have learned to test and measure.
I have not owned an LS1 powered car before. I am shopping for LS1 F-bodies around Dallas, preferably 6 speeds. Most of the cars I have found for sale have 70-120K on the clock. Once I get a car, I would probably drive it at least twice a week and possibly daily... driving to work, cruising on the weekends, probably never see the track. I don't plan on doing lots of mods, at least for a while, the usual intake/exhaust and maybe a mild head/cam setup after a bit... we all have big dreams... I would like to build a turbo'd forged iron block some day for grins but it's good to be honest and practical about what you're really gonna do with the car...
What should I do with the car immediately after purchasing it, as far as fluids and procedures? I have heard lots of good stuff about Seafoam and Auto-RX and plenty about oil and UOAs, but I don't know what products I need to use, and when. Should I do a UOA before anything else and then a Seafoam treatment and Auto-RX, or the treatments first and then a UOA? What's the procedure for using Auto-RX? When should I replace the oil and air filters? Is replacing the fuel filter and plugs good for preventative maintenance, or does it make more sense to just do those things as needed? What would you guys suggest for an oil for daily-driven LS1 in Texas? I take it Royal Purple is good stuff for the rear end... what about lube for a 6 speed?
Edit: I completely forgot to ask about tuning and maintenance after cleanup... better to do the flushes and treatments to clean up the motor first, and then get a tune, correct? And once all that's out of the way, what oil should I use for regular changes? Any other suggestions for shakedown and cleanup for a used car?
Sorry for the bundle of questions, I'm still learning... slow process but I appreciate all the info everyone has shared already. Thanks in advance for your advice.Last edited by m477; 09-23-2009 at 06:56 PM.
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09-24-2009, 05:26 PM #915Grand Imperial Wizard
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- Aug 2005
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- Retired Outlaw Sum Bitch
With any "new" used car I do the following...
AutoRX. Follow the instructions.
Flush and fill trannie and coolant.
Replace the rear end fluid.
Run Techron Concentrate through the fuel system
Belts and wipers etc. replace if needed.
PS: Cars are much cheaper and more to choose from in San Antonio.
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09-26-2009, 07:13 PM #916
For the older engines with flat tappet cams and solid street roller cam the best
combo is Mobil 1 filter with Shell Rotella Oil.
The Rotella is high grade diesel oil that is fine for gas engines and
it has the most Zinc and other properties then all oils. Except for
your pure racing oils that aren't recommended for street use.
Even the cam grinders are recommending it.
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09-26-2009, 11:22 PM #917
Other choises...
There are a lot of people who use Shell Rotella T in flat tappet applications. It is cost effective and readily available. ZDDP levels still show up at around 1200ppm, but with the newer API CJ-4 (SM) standards, the ZDDP levels could be reduced at any time without warning to meet the demands of new environmental mandates.
Besides Shell Rotella T, there are many other great choices out there.
For example, Amsoil recommends the following for high performance flat tappet cam applications.

BTW, Amsoil Dominator Race Oils have detergents in them unlike other full race oils, so they are completely compatible for street use.
As for the oil filter, the Amsoil/Donaldson synthetic oil filters have better filtering efficiency than the mentioned synthetic/paper blend oil filters.
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10-07-2009, 11:16 AM #918
Pennzoil Platinum and Valvoline Synpower are on sale at O'Reilly's for 3.99 a quart till the 20th of Oct for those who are interested.
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10-07-2009, 08:33 PM #919
Sarge, what do you use for air filters?
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10-12-2009, 04:48 AM #920We'll be back...
- Join Date
- Aug 2005
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- THE SWAMP
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Light Pewter Metallic- 2000 Camaro SS M6
Yes, Sarge, what do you prefer for air filters? And, for that matter, what do you prefer for all your automotive filters? Thanks in advance.
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