Basicaly your asking what to do to cheat a little, so you probably won't get alot of help.
TextPad makes for a great editor. TT tweeker is a more practical way to edit your game files.
It would be a better challenge to go about properly identifying your target / keel / and learn to use your eels for better shots.
Then you can become efficient at cussing at the game like the rest of us when your eels dud out or prematurly detonate.