What's a good starting point on pickup height for the big MFD's?
I just had a bit of a revelation with the small MFD's but maybe the same holds true for the larger ones. I was going for a more vintage sound with them. I lowered the pole pieces all the way down and the raised the G and D poles a bit on both pickups. Slanted the treble side up a bit on the back pickup. I started with the front and got it as low as I could and balanced the back pickup's height till the volume was even.