If you don't have hemi tick, it is less of a need for a moly additive. Valvoline continues to have no commitment to moly across their oils,
you see in recent uoa's no moly depending on formula or I guess how they feel at the moment. So not an urgent need, but a good idea nonetheless, most oil formulations use moly for a reason, the fact Valvoline doesn't is disappointing imo.
A hemi with those miles should be off 20 weight oil anyhow, literally all high mileage oils go heavier. But, since you are in a snow state, maybe you should look at 0w30 for year round use. M1 makes a great 0w30, and read the oil filter thread in my sig, most guys want to run spun microglass filtration over paper. Fram Ultra is probably the cheapest and most widespread, but there are a few options as well.
There is also a blackstone thread, you may opt to do a uoa when that oil reached 5k miles to see how your hei is wearing.