Here in Anchorage, where mean Jan low is +9F. but it can possibly range down towards -30F., so far M1 0W40 seems noticebly looser than dealer supplied 5W30. Car is not garaged.
Charlie
Charlie
Mobil 1 0W-40 or GC 0W-30 for Northeast Winters?
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Originally Posted By: vinu_neuro
Originally Posted By: BritGerCarLuvr
In my German Cars, which require an MB 229.5 and/or BMW LL-01 "higher viscosity and HTHS" oil, I religiously use TOTAL QUARTZ ENERGY 9000 0W30. It's about the lightest high HTHS oil on the market that is approved in writing by MB & BMW.
Nothing wrong with using GC or M1 0W40, simply a bit thicker on cold start.... and in the BMW it makes a heck of a difference.
Even at 0C, M1 0W-40 is only 5% more viscous than Total 0W-30. That's the benefit of a high VI.
Hello,
Does anybody know if Total Quartz contains fully synthetic Group IV or group III or other mixed group base oils ?
Originally Posted By: BritGerCarLuvr
In my German Cars, which require an MB 229.5 and/or BMW LL-01 "higher viscosity and HTHS" oil, I religiously use TOTAL QUARTZ ENERGY 9000 0W30. It's about the lightest high HTHS oil on the market that is approved in writing by MB & BMW.
Nothing wrong with using GC or M1 0W40, simply a bit thicker on cold start.... and in the BMW it makes a heck of a difference.
Even at 0C, M1 0W-40 is only 5% more viscous than Total 0W-30. That's the benefit of a high VI.
Hello,
Does anybody know if Total Quartz contains fully synthetic Group IV or group III or other mixed group base oils ?
Originally Posted By: OhioSienna
FWIW, I've run both M1 0W-40 and GC 0W-30 in my Passat B5.5 1.8T in the winter, and the fuel economy is substantially better with M1. Since M1 meets the manufacturer's specs, that's what I'm sticking with.
What difference in mpg did you see exactly ?
FWIW, I've run both M1 0W-40 and GC 0W-30 in my Passat B5.5 1.8T in the winter, and the fuel economy is substantially better with M1. Since M1 meets the manufacturer's specs, that's what I'm sticking with.
What difference in mpg did you see exactly ?
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