I have hooked hundreds of fish in the last year on # 4's primarily, and # 2 Owner SNP's while targeting Salmon and Steelhead. When drift fishin I don't go bigger than a size 1. But I use 1's a lot, while backtrolling divers for Chinook, and Steelhead alike in the Clackamas. A 1/0 is also a fine choice for Clackamas Chinook. And setting a hook that big(3/0) for Steelhead with anything other than a backbouncer, or big hurky 25-40 is going to be a challenge.
Those big curl tail grubs in white, and black are all you need, and the 3/0 is big enough for most Lings you will be targeting. Also, you'll notice that Owners hook sizing is very different than any other companies out there. An owner number 1 is about the size of everyone elses 1/0's, so just be aware when choosing a hook size in the Owner brand.