Is 0W20 Oil REALLY safe for GM L86 V8's?

Matthew discusses the problems with GM L86/L87 engines, the GM oil viscosity change that is recommended, changes the oil in his personal 2019 Escalade and submits an oil sample for lab analysis. The sample results are disclosed, discussed, and compared to other oil samples that Matthew has on file for possible alternative oil choices. If you have an L86 or L87 engine in your GM product, you won't want to miss this. Tecmotion Etsy Store: https://tecmotion.etsy.com *********************** Affiliate Links: Evil Energy fittings and fuel components: https://www.ievilenergy.com?sca_ref=7442635.5n3ueSCmjsp Evil Energy 10% discount code: "Tecmotion10" ************************ Chapters: 00:00 Introduction 00:06 Why I have a GM 03:00 Oil Viscosity Questions 06:15 Oil Test Methodology 08:13 Oil Change Tips 10:22 Lab Test Results 11:12 0W20 Lab Test 12:18 Additive Comparison 15:00 OW20 vs 0W40 Euro 16:55 0W20 vs 5W20 19:15 Conclusions