Railworks America

I have updated my horn pack and will be uploading it tonight. It should be available the next time the file library is updated. I have added some Nathan P5's and M5's. I added a Leslie RS5T. I have alsos added some of the newer K5LLA's (Really hard to make for me.) I keep getting some loopback where it shouldn't. The loop on most of them are about 7 sseconds and I know that it is gonna loop back after 7 seconds but n a couple of the K5LLA's it loops back it a off spot during the loop. I don't have this problem on any other horn but a couple of the K5LLA's I know it is a problem with the SD70 PACK 2 audio cause it works fine on the Gevos and Dash 9's. Does anyone know why the SD70 Pack 2 horns does this?
Thanks
Matthew