If your oil bill looks worse than it did six months ago, you’re not imagining it — prices are up 24.2% since February. You’ve also seen the headlines about record oil company profits. Those two things are real, and they are not connected the way people think.
TL;DR GF-7 motor oil is the new baseline gasoline engine oil standard as of March 2026, replacing GF-6….
AMSOIL Signature Series vs. Mobil 1 Extended Performance — the actual flagship matchup, with matching 25,000-mile intervals and an honest look at the real price gap.
The synthetic oil supply chain took another hit in July 2026 when a major Group III base oil supplier declared force majeure. Here’s what it means for prices and availability.
If you’ve been trying to order AMSOIL oil filters over the past few months and kept hitting dead…
When it comes to dirt bike oil 10W-40, I get asked about dirt bike oil a lot. Probably…
The base oil is the foundation. But the other 5–30% of what’s in your oil — the additive package — is what separates a motor oil that just meets spec from one that actually protects your engine. Here’s how detergents, dispersants, ZDDP, antioxidants, and VI improvers work — and why two oils on the same base stock can perform completely differently.
If you’ve noticed AMSOIL prices going up lately, you’re not imagining it. Here’s what’s actually driving it — and why it’s happening across the entire lubricant industry, not just one brand.
If Group III is refined crude wearing the word “synthetic,” Group IV and V are the real thing — molecules engineered from the ground up. Here’s what that actually buys you inside your engine.
Mill City Synthetics × AMSOIL
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