When it comes to engine maintenance, engine oil is one of the most important — and most misunderstood — parts of the equation. Customers often ask questions like: Is thicker oil better? What does 10W-40 actually mean? Is full synthetic oil worth it? Can I use performance oil in a standard daily driver? Does a turbocharged engine need different oil? How often should I change my oil? The truth is, choosing engine oil isn't simply about picking the thickest or most expensive opt

Jason's Mercedes-Benz C63 AMG W204 came to Revhigh after a major engine refresh and some performance upgrades. Powered by the legendary M156 6.3L V8, the car had received reconditioned cylinder heads, updated head bolts, extractors and a set of performance camshafts. However, after having the car tuned elsewhere, Jason wasn't completely happy with how it was performing. Starting With a Dyno Test We put the C63 on the dyno to establish exactly where the car was at. The initial

The 2018 Mercedes-AMG E63 S is already a monster, but this Stage 2 upgrade takes it to another level. Real Dynojet wheel-power testing delivered some serious numbers: 🚀 DYNO RESULTS Factory: 565.64 hp / 81.03 kgm Stage 2: 714.05 hp / 96.52 kgm That’s +148 hp and +15.49 kgm of torque! But the gains aren't just at peak power. From around 3,000 RPM, the upgraded setup pulls harder, with significantly stronger output through the key 3,500–5,500 RPM acceleration range. ⚙️ TCU OPT