I'm going to be doing an oil change soon on my 06 Honda Civic, and I was wondering if Mobil1 5w-30 would pour as well as a conventional 5w-20 in cold temps. I want to run a synthetic oil such as Mobil1 since my drain intervals are going to be at least 10,000 kms based on the OLM calculations, and there aren't any 20 weight synthetics on any store shelves in my area. I was thinking Mobil1 5w-30 might be sufficient. Any opinions ?