Dynaco PAT4 mods


There used to be several kits to modify the PAT series.
I have a very decent stock PAT4 and have been considering playing with it.
Do any of you have one that is modified?
If so, how did the mods changed the character of the unit?
gumbydammit
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Lots of nice modded PAS 3's around, very few PAT 4 or 5 because they were a dog to start with, i had a Van Alstine modded PAT 5 and it was still a dog.