Seymour
I'm envious of the tone the old so and so gets.
No. Don't worry about who makes the darn things as long as they sound good to you,they're only bits of wire (etc) no compatibilty conflicts here.
What can matter is that you should put lower output pickups in the neck,use DC resistance as a guide, because too much output in the neck postion generates low end mud,basically.
Accuracy,you say? hmm interesting concept..