Patman,
Thanks. Your plan sounds like it would yield more reliable results than mine.
Thanks. Your plan sounds like it would yield more reliable results than mine.
M1 SS 10w-30 -VS- 0w-40 in '02 Toyota 3.4L V6
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Giles, I think they would sacrifice longevity to get the FEDS off their back, (CAFE).
Why not if it encourages us to go out and trade that car for a new one.
Car companies are in the business of selling units per year and the best sale is one you make over and over again. Sooner the better.
My Grandaddy always said;" boy, don't ignore the obvious" !
Having said all that I have used thin weight oils to race with ( road racing) and had really fine results.
One more observation, in 20+ years of studying oil analysis results most folks were running 20w oil as the 30w conventional oils would shear rapidly then volatize off the add package during the course of a drain. This was a classic pattern for MOST OTC 10w-30,5w-30 products up until 4 years ago. One reason I used and recommended AMSOIL beginning in late 70's.
[ January 04, 2003, 04:32 PM: Message edited by: Terry ]
Why not if it encourages us to go out and trade that car for a new one.
Car companies are in the business of selling units per year and the best sale is one you make over and over again. Sooner the better.
My Grandaddy always said;" boy, don't ignore the obvious" !
Having said all that I have used thin weight oils to race with ( road racing) and had really fine results.
One more observation, in 20+ years of studying oil analysis results most folks were running 20w oil as the 30w conventional oils would shear rapidly then volatize off the add package during the course of a drain. This was a classic pattern for MOST OTC 10w-30,5w-30 products up until 4 years ago. One reason I used and recommended AMSOIL beginning in late 70's.
[ January 04, 2003, 04:32 PM: Message edited by: Terry ]
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Terry I agree with you and glad to get your opinion on it
Now this 20 weight oil issue keeps coming up as it being adequate protection. But if the 10w30's were shearing down to 20 weight, what are the 5w20's going to do? I mean I'd rather start higher and end up at a safe lower point than go with a lower weight that has less margin for error.
Another thing is the 20 weights safe enough for 5000 miles, or 115 degree weather like in Phoenix or driving through death valley? How about towing applications? I don't know, but if the M1 0w40 doesn't hurt anything but gas mileage, it seems to be a pretty safe bet for being up to the task of anything you can throw at it in typical passenger car or truck.
Now this 20 weight oil issue keeps coming up as it being adequate protection. But if the 10w30's were shearing down to 20 weight, what are the 5w20's going to do? I mean I'd rather start higher and end up at a safe lower point than go with a lower weight that has less margin for error.
Another thing is the 20 weights safe enough for 5000 miles, or 115 degree weather like in Phoenix or driving through death valley? How about towing applications? I don't know, but if the M1 0w40 doesn't hurt anything but gas mileage, it seems to be a pretty safe bet for being up to the task of anything you can throw at it in typical passenger car or truck.
buster,
I like both oils, Amsoil for cold weather operations 5w-30/10w-30 non group 3 oils.
I like Mobil 1 if doctored some to boost Boundary and Mixed lubrication.
Both have their strengths and weakness's, use the analysis to tell how either work for you, in your car.
I like both oils, Amsoil for cold weather operations 5w-30/10w-30 non group 3 oils.
I like Mobil 1 if doctored some to boost Boundary and Mixed lubrication.
Both have their strengths and weakness's, use the analysis to tell how either work for you, in your car.
Terry
Does upgrading mixed/boundary apply to M1 Supersyn? tks..s
Does upgrading mixed/boundary apply to M1 Supersyn? tks..s
Mobil's additive package for the Trisyn never impressed me, but the Supersyn seems to be pretty good. 80ppm of moly (almost as much as Schaeffers) seems to help. You'll recall that the wear metals on my VW were basically cut in half after going from trisyn to supersyn, and all other parameters held constant (same weight, miles, driving condtions, mileage, etc.).
BTW- My 0W-40 sample is in the mail. I really flogged it too - 6000 miles of mostly short trips at 20psi
Patman
Staff member
While I will agree that SuperSyn is showing excellent oil analysis results, I just want to point out that Schaeffer oil typically has about 170ppm of moly, while Mobil 1 is 80-90, so it's not quite the same amount. Plus Schaeffer oil also adds Penetro, which has similar properties to moly.
The used oil analysis numbers I've seen put Schaeffers around 120ppm and Supersyn around 75-80ppm. Not sure about virgin numbers. Clearly Schaeffers uses more, but I don't think it makes a huge difference. I'm just glad Mobil put a decent amount in there and that it seems to work well.
Patman
Staff member
There have been virgin samples of both posted here, and Schaeffer oil showed 171ppm while Mobil 1 showed 88. (both in 10w30 form)
Terry by 'doctored' do you mean add Lube Control to M1 SS or do you have something else in mind? tks...s
My 7,500 mile sample is in the mail. I will post my results here when they come back.
I did change out the filter at 5,000 miles and added just enough to replace what was lost...about 1/2 quart. Other than that, I have not added any oil. I have no consumption or leakage with the 0w-40.
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