If my used oil analysis of 0w-20 comes back looking good, I'm thinking of using it for the winter. I do have ASL Amsoil as well which is suppost to be a great winter oil. Do you think the Mobil 1 0w-20 would be as good for winter? Wife's car gets the Amsoil but I might use it as well.
What would you use for winter?
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Why go with a 20 weight?
Our primiary concern for winter is start-up protection but this wil be easily addressed by any 0w-x oil to include teh 0w-30's.
I think the GC 0w30 should make a really good winter oil given it extremely unusual good cold pour numbers.
Fred..
Our primiary concern for winter is start-up protection but this wil be easily addressed by any 0w-x oil to include teh 0w-30's.
I think the GC 0w30 should make a really good winter oil given it extremely unusual good cold pour numbers.
Fred..
Twenty weight oils just don't seem right, but if you have a manufacture's recommendation backed by a good UOA, I guess go for it. Thin lubricants with good flow work. Nobody questions the water thin AFT fluid for hard working automatic transmissions. It has been years since manual transmissions used 90 gear oil.
Buster-maybe I'm missing something. If the UOA turns out fine for non winter driving why would this oil not be O.K. for winter colder weather driving-since it is thinner.
If you already have the Amsoil 5W30 why buy more oil? I am useing Redline 5W40 in my Camry and Amsoil 10W30 in the Buick. I have no fear of any damage being done to either vechile. I live in the north east so we have really hard winters. Not quite as hard as our Canadian neighbors but hard non the less. I would not hesitate to use the Amsoil 5W30 if on hand!!
P.S. If I could have found some GC 0W30 I would have tried it!! Still nothing here but the old yellow lable USA sourced stuff!
[ October 17, 2003, 10:59 AM: Message edited by: JohnBrowning ]
P.S. If I could have found some GC 0W30 I would have tried it!! Still nothing here but the old yellow lable USA sourced stuff!
[ October 17, 2003, 10:59 AM: Message edited by: JohnBrowning ]
I wasn't specific enough. Any good synthetic can handle any harsh winter and in NJ, I could even run a 10w if I wanted to. I'm thinking the 0w-20 might be a better cold winter oil then the Amsoil 5w30 bc its thinner. Is that right? It flows at -71F.
It's the lower number that's important. I'd only use xW20 if your engine was specifically designed for it.
The GC is pretty close to that.
it must offer better warmed up running protection right?
Even in the winter you will run fully warmed up much of the time
it must offer better warmed up running protection right?
Even in the winter you will run fully warmed up much of the time
I wouldn't use a 10w30 in the winter, even in a milder climate. Look for a 0w30, I think most of them cut the mustard. I'm using PC Duron- it's cheap and available.
Well as I have often been reminded could flow and cold crank numbers are vastly differnt. Flow and pumpabiliy are also different.
The real question then becomes if their is a significant difference. The only way to find out would be to test them under lab like conditions. Numbers on the side of the bottle are just a starting point. Proven tract record in field trials means more to me. Amsoil 5W30 is proven to work in Artic conditions and meets mil spec requriements for artic oils.
What oils do you have right now? Why do you need an oil that flows at -71. If I remember right you have a case of Amsoil 5W30 and a case of Redline 5W30. It almost seems silly to buy yet another oil when you already have two that will do the job just fine.
I guess I am the weirdo on this site because I only have 6 quarts of oil on hand for my upcomeing oil change!
The real question then becomes if their is a significant difference. The only way to find out would be to test them under lab like conditions. Numbers on the side of the bottle are just a starting point. Proven tract record in field trials means more to me. Amsoil 5W30 is proven to work in Artic conditions and meets mil spec requriements for artic oils.
What oils do you have right now? Why do you need an oil that flows at -71. If I remember right you have a case of Amsoil 5W30 and a case of Redline 5W30. It almost seems silly to buy yet another oil when you already have two that will do the job just fine.
I guess I am the weirdo on this site because I only have 6 quarts of oil on hand for my upcomeing oil change!
Actually, that makes you normal JB!
Right now I have a case of ASL 5w30 Amsoil for my wife's car and I'm running Mobil 1 0w-20. If my 0w-20 results look good, I might just stay with that. I was thinking the 0w-20 would be superior in cold temps.
Buster,
I think that either will work fine, but I'd expect less oil consumption at high speeds with the Amsoil 5w30. It's much thicker, with a HT/HS of 3.5 Cp, vs 2.6 Cp for the 0w-20. Noack on the 5w30 is approx 5%, I can't imagine any 0w-20 would be that low.
Ted
I think that either will work fine, but I'd expect less oil consumption at high speeds with the Amsoil 5w30. It's much thicker, with a HT/HS of 3.5 Cp, vs 2.6 Cp for the 0w-20. Noack on the 5w30 is approx 5%, I can't imagine any 0w-20 would be that low.
Ted
I'll use Petro-Canada Supreme 5 w 30 .
Excellent pour point and min,pumping numbers.
And I can have it for free with my petro can points
Filters ?Delco Pf 43
Excellent pour point and min,pumping numbers.
And I can have it for free with my petro can points
buster, Have you seen the UOA yet? I would wait for that!! I prfere to be on the side of caution and proven performance as much as possable. Seeing hoe you already have a case of Amsoil 5W30 I would run it and smile. Amsoil 5W30 is a proven performer!! Save your money unless you just have to experiment some more with 0W20! Your Toyota could crank fast enough to start with 20W50 in the sump in the dead of winter. I would be most concerened about how hard it is to pump once started. You might want to try thr freezer test and see how a quart of M1 fairs compared to Amsoil 5W30!! I think you will impressed by the Amsoil!!!
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