Scania DC16.12x & Scania Opticruise G series revision for Scania R/S NG v1.0

Modification replace default items

Engines
This mod change Scania V8 engines: Scania DC16.121 (590hp), Scania DC16.122 (660hp) and Scania DC16.123 (770hp):

Idle speed set to 550 RPMRev limits set to 2000 RPM (working) and 1500 RPM (neutral) to match the V8 redlineAdjusted automatic gear shift points to use the engine’s massive low-end torqueSmooth and realistic engagement of the 13th gear (Overdrive) at highway speeds (85+ km/h)Realistic high RPM behavior during engine braking to maximize cooling

Gearbox
This mod changes the retarder steps for Scania Opticruise G-series gearboxes to match real-life Scania Brake 

Management logic:

Step 1: 20% retarder power + 33% engine brake power

Step 2: 40% retarder power + 66% engine brake power

Step 3: 60% retarder power + 100% engine brake power + Downshift

Step 4: 80% retarder power + 100% engine brake power + Downshift

Step 5: 100% retarder power + 100% engine brake power + Downshift

Scania truck by SWISSCAT on World of Trucks