Quote:
Originally Posted by Grumpa72
Absolutey. The lower the first number, the easier it pumps through the lines while cold. Very good stuff. My personal preference is Mobil1 as I have no experience with Castrol.
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+1.
I was running Mobil1 0W40 last winter and had a number of -30 degrees celius starts with no problems.
I am now running the Syntec 0W30 and my car seems to like it... haven't had any really cold starts yet this year.
Both have very cold pour points (like -52 degrees Celsius for the Mobil and something like -48 Celsius for the Castrol).
Both are top notch products from my experience with each... the car does seem to get slightly better fuel economy with the Castrol Syntec, I should mention.