GM Just ENDED the AFM/DFM Nightmare — 2027 V8 Changes Everything!

GM just revealed the truth about AFM/DFM in the 2027 Silverado and Sierra V8 engines — and it's not what everyone online has been saying. Straight from GM's own powertrain engineer. In this video, I break down the 2027 GM V8 engine changes in detail: the new 5.7L and 6.6L power numbers, the missing dipstick, the AFM/DFM cylinder deactivation system, the new oiling system, and why GM added port injection back to these engines. If you own a Silverado, Sierra, or any GM truck with a V8, this is what you need to know before the 2027 models hit dealerships. What We Covered: • The VIN Rumor Everyone Believed • The AFM/DFM Nightmare Explained • GM's Engineer Speaks — In Flint, Michigan • New Horsepower & Towing Numbers • The Dipstick Is Gone • Is DFM Really Dead? The Real Answer • The Rocker-Arm System Rumor — Debunked • New Oiling System Explained • Direct Injection + Port Injection • Final Verdict 🔔 Subscribe for more GM leaks, rumors, and engine breakdowns before anyone else covers them. #GM #Silverado #Sierra #2027Silverado #AFM #DFM