Detroit Diesel Series 60 sound v5.0 1.43

Version 5.0 Changelog:

-Included 11.1L 250-350HP engines

-(Once again) fixed/reduced sound glitch

-Fixed underpowered 455hp 12.7L engine

-Reworked exhaust sound

-New blow off valve system with realistic dumpvalve sound

-Optimized parameters

-Improved exhaust distortion

-Supported more trucks