Wow, you havn't posted here in what seems like several months! I was beginning to think that you were now a foxbody guy and forgot about the SN95. Hope you have been well.
How often is it grinding? Like everytime you drive or what?
If you have the T45 like me, I would suggest that you swap up to a used TR3650 or a T56. I rebuilt my T45, and although it will handle more power than stock, I wish I had just update to the TR3650(couldn't afford the T56). Why you ask? The reason is to get away from the T45 quirks, they are upsetting me. After the rebuild, my third gear gave me trouble for the longest time, now it seems to be better(knock on wood), it was randomly 1/2 grinding when shifting around 2k, more like a crunch. But now it doesn't anymore