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Cold Weather
Will Switching to 0W-40 be Better for a Toyota Tacoma in a Hot Climate?
My 2005 Tacoma has a little over 60,000 miles now. It has some "cold start knock" - piston slap, that so many recent engines have. Once warmed up, it only has a faint bit of slap at idle. I have been ...
A 40 grade (0W-40) would provide some relief but your engine does not see this viscosity until it has warmed up. Since it appears to be only an issue during warm-up, you may want to try Mobil 1 15W-50...
Is a 15W-50 Oil Too Thick for Cold Temperatures, and Would Mixing with 0W-40 be Better?
I have a supercharged 2001 BMW 330ci with 107,000 miles on it. It has always burned oil, even when new. Now, however, it burns a quart in only 650 miles. I was told I should have been using 15W-50 syn...
New Jersey has cold enough winters that we recommend you continue to use 0W-40 at least in the winter. In the spring, summer and fall you can use Mobil 1 15W-50 and see if this improves your oil consu...
Will Using a 0W-20 Oil Help Reduce Valve Noise During the Winter?
I have been using Mobil 1 5W-20 in a 2000 Honda Civic. However, when the weather gets cold here in Wisconsin, the car exhibits quite a bit of valve noise for about 1-2 minutes after starting. I would ...
Using Mobil 1 0W-20 Advanced Fuel Economy for your engine will help to get better cold-start flow.  0W-20 will provide better low temperature performance and should help to reduce valve train noise wh...
Will a Highly Modified Car Benefit More from Mobil 1 Extended Performance 10W-30 or Mobil 1 15W-50?
2004 Evo, 2L turbo, 48,000 miles, original owner. I have been running Mobil 1 10W-30 all the way up to 40,000 miles.  Then I switched to Mobil 1 Extended Performance 10W-30 just for the added protecti...
For your high performance application, we would recommend you use Mobil 1 15W-50. The higher viscosity will provide better protection in conjunction with higher levels of anti-wear potentially needed ...
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