If amsoil was a problem, zero vehicles I've bought in the last 8 years would have survived. I've used it in everything from a Ford taurus, scat pack and hellcat, my previous and current Silverado, and my camaro's 565 before I switched from Amsoil Dominator to HPL BARO.
As others have said...
The website is now showing the new formulation is rolling out, and packages may have a mix of old and new as the supply of old runs out.
The new formulations shows better noack across the board and slight viscosity changes as well.
The three things I look at when choosing oil are viscosity index, HTHS, and noack.
As far as filters, I'd go for something like a carquest premium. They are 10 bucks, 99.5% efficient at 20 microns, and are built very well. You can't beat them for cost and quality.
What makes an oil filter different in filtration efficiency as it loads up versus an air filter? Not being sarcastic, genuinely curious. I'd think the general principle would apply to any type of filter, assuming one doesn't leave an oil filter on long enough to need to constantly be in bypass.
Second break-in oil change, wear metals trending down. A little bit more fuel dilution and soot, I had to do some idling waiting on work stuff.
My next oil up is the Amsoil Euro AFL 5W-40, the next UOA will be the current fill of Amsoil Max Duty 10W-30 at 5k miles.
Looks like a good indication...
I definitely want to run their Premium or CC 5W-40 in my babymax at some point. I have to go through a couple oil changes of Amsoil AFL first, though. I want to use that up and get a UOA or 2 done before I switch.
Understandable given the current situation overseas. It would have been nice to at least get flat rate shipping they normally do with the discounts, though.
It seems to be a regular thing for AAP. The same Mobil 1 ESP 0W-30 I buy for my wife's car at Walmart for $28 ($25 when on sale), is $43 at AAP, but you get a "free" filter with the bundle. The 5qt jug from walmart plus the $10 CQ Premium is still cheaper than their bundle.
I only buy filters...
There shouldn't be any issues with oil deteriorating wet belts. BMWs, MBs, etc. have been using wet belts for years, even in their diesels in Europe. If someone is that worried about their wet belt, they could look at oils that meet BMW and MB specs.