Hello all, I have relied on BITOG forums for the last 5 or 6 years via google searches for all of my oiling and filter questions, but this will be my first post. I tried searching previous subjects, but couldn't find this one anywhere, so I apologize ahead of time if this subject has already been covered. I recall reading on a previous post that one of the Pennzoil Synthetics (can't remember if it was Ultra or Platinum) 5w-30 oils, actually meets the specs to be called a 0W-30, but the consensus seemed to be that for marketing purposes, they labeled it the more widely known 5W-30. I have used Mobil 1 0W-30 in my previous Toyota Tacoma, and found it to be a fine product, but I have always been a Valvoline guy, but unfortunately they do not have a 0W-30 in the U.S. , so I am just curious if anyone happens to know if Valvoline Synpower 5W-30 is thin enough on startup to be a 0W-30? I'm sure I can use it with great results, but for some reason, I would sleep better at night knowing it's a little thinner when it's cold, I obsess over the simplest things Thank you in advance for any thoughts and info on this subject.