[Rockin Robbins]

Yes, your torpedoes will reach that far. If you go to the weapons screen you can see the torpedoes and what tubes they are in. Clicking on a torpedo will pop up an information window telling you its range.

My studies with stock torpedoes show that at slow speed fifty percent of the torpedoes prematurely stop between 3200 yards and 4000 yards. I had 100% reach 3200 yards, 50% reach 4000 yards. The rest kept running all the way out to 8000 yards and beyond.