Cummins ISM Sound Mod

To install put the files in the correct folder and replace all motor lines with the following, putting in the engine variant you want obviously:

<motor template="engineLarge" file="sounds/cumminsISM_XXXXX_loop.gls" volumeScale="2.2" linkNodeOffset="0 2 2.0"/>

<motor template="indoorCabinRumble" />

<retarder file="sounds/turbo_loop.gls" linkNode="0>" innerRadius="23.0" outerRadius="90.0" pitchScale="1">>

<volume indoor="0.15" outdoor="0.3" >

</volume>

<loopSynthesisRpm>

<modifier type="MOTOR_LOAD" value="-0.00" modifiedValue="0.0" />

<modifier type="MOTOR_LOAD" value="0.00" modifiedValue="0.0" />

<modifier type="MOTOR_LOAD" value="0.25" modifiedValue="0.1" />

<modifier type="MOTOR_LOAD" value="0.70" modifiedValue="0.25" />

<modifier type="MOTOR_LOAD" value="1.00" modifiedValue="0.65" />

<modifier type="MOTOR_RPM_REAL" value="500" modifiedValue="0.50" />

<modifier type="MOTOR_RPM_REAL" value="1000" modifiedValue="1.0" />

</loopSynthesisRpm>

<lowpassGain indoor="0.7" outdoor="1"/>

</retarder>