The Truth About 5 Micron Oil Filters (Nominal vs Absolute)

There's a lot of confusion surrounding oil filter efficiency, micron ratings, and the difference between nominal and absolute filtration. In this episode of the 3.0 Duramax Podcast, we're breaking it all down! WWW.DEMONWORKSHOP.COMPPE recently released its NEW 5-micron nominal engine oil filter for the 3.0L Duramax diesel, and it's already generating plenty of questions. How does it compare to the existing PPE 10-micron oil filter? What does 5-micron nominal actually mean? And could tighter filtration affect oil flow, especially when running thicker engine oil?As a GM dealership technician, I'm sharing what I've learned about oil filter efficiency, comparing published filtration ratings, and discussing what Duramax owners should consider before choosing their next oil filter.TOPICS COVERED IN THIS EPISODE:NEW PPE 5-Micron Oil Filter – A closer look at the new PPE 1140660 engine oil filter for the 3.0L Duramax.5 Micron vs. 10 Micron Filtration – Understanding the differences between PPE's new 5-micron filter and the existing 1140650 10-micron filter.Nominal vs. Absolute Filtration – What 50%, 98%, and 99% filtration efficiency ratings actually mean and why micron ratings don't tell the whole story.Oil Filter Comparisons – Discussing published filtration specifications from PPE, ACDelco, WIX, Purolator, and Premium Guard.Oil Pressure & Thicker Engine Oil – Could tighter filtration affect oil flow? We'll discuss the concerns and upcoming testing plans.NEW Edge CTS4 Monitor – What's changed from the CTS3, the larger screen, internal upgrades, and one feature I wish Edge had included.2027 GM 3.0L Duramax Updates – New information on the updated LZ0 engine, larger DEF tank, available 34-gallon fuel tank, transmission cooling changes, and more.SEMA Show Questions – We're heading to SEMA! Send us your questions for manufacturers like PPE, Hot Shot's Secret, S&B Filters, and others.🛒 SHOP DURAMAX PARTS & ACCESSORIES:https://demonworkshop.com📰 LATEST DURAMAX NEWS & UPDATES:https://duramaxnews.com💬 JOIN THE CONVERSATION!Would you choose a 5-micron or 10-micron oil filter for your Duramax? Are you concerned about oil flow when running thicker oil? Drop your thoughts and questions in the comments!And if you have questions you'd like us to ask manufacturers at SEMA, send them our way!👍 LIKE this video if you found it helpful.🔔 SUBSCRIBE to Demon Works for more Duramax diesel news, product discussions, technical information, and real-world testing.#Duramax #3Lduramax #PPE #OilFilter #DemonWorks