bass rebuild

I'm pretty new at all this and I'm doing a budget rebuild and converting a bass from a 4 string precision copy to a PJ5. I read somewhere that one of the issues with PJ is that there tends to be a drop in the volume when you switch to the jazz pup. Based on what little research I've done, is...

Hi folks, first post! I'm doing a budget rebuild on a sentimental nostalgia piece and converting an old Aria 4 string Pbass copy to a 5 string PJ. I'm stressing...budget! Now I've got a guy willing to build me a composite neck from a nice piece maple I was gifted and walnut he's throwing in. (I...