Missed one;
" Wish you had a no wake with idle". Read the Readme.txt, to get that all you have to do is use JGSME to disable, open the \SH4\Mods folder and make a new folder, name it whatever you want. Open DieselRoar_Idle and copy the Data folder from that, paste into
Mods\Den0's custom mod (or whatever you named the new folder). Go down in that folder to
Den0's custom mod\Data\Sound, you should see three files;
Submarine_diesel_exterior.wav
Vapor Siaj.wav
Submarine waves lap.wav
The roaring diesel is in the first, wake in the second, idling diesel in the third. Delete Vapor Siaj.wav, now you have your own custom mod with the roar and the idle but the original wake. Install that with JGSME and you have exactly what you want.
Permission to upload granted, I'm not one of them suffering artistes who fusses over silly nonsense like copyright protection for freeware.