+2 ... Larry Fletcher at CIS Flowtech is the man for a fuel distributor rebuild/calibration.

You don't need to send in the entire fuel plate assembly, just the distributor and EHA (black box screwed onto the side).

Don't bother with used - 75% of the time the junkyard units are bad and/or leak. It's a crapshoot that's not worth the time and effort. Larry will take care of ya...