Hi, so I'm having some issues pulling shots on my Cremina 67. I just replaced all the seals in the group (the lever action is now nice and smooth again!) and now can't seem to get a shot out without a tremendous mess. Basically my shots seem to drip, sputter, and spray their way out now. I backed off the grind a notch and got a bit more reasonable pour but continued to get sprays. The most recent shot was really quite tasty though so I'm hesitant to keep backing off the grind. (And at this point I'm highly caffeinated and have to stop pulling shots

I noticed putting the portafilter into the group is much more challenging with the fresh seal. I don't know too much about the mechanics of all this, but would the much tighter seal I'm getting on the group cause this? Could I have put something back together incorrectly? Do the new seals just change the mechanics enough I have to readjust the grind/tamp? I'll play with it more each day of course, but any thoughts would be great. Thanks!