Originally posted by DavidR link=1153551701/0#12 date=1155785415
To summarise, Rio looked at the machine and replaced the group gasket (0.5mm thinner) and voila - much better. Getting the grind and dose right, and thanks to a Pullman Tamper, getting fantastic coffees now!
FWIW, the Rocky is on 12 which is just right for 2-week old Rios Espresso blend with an overdosed double basket and very firm tamping.

- or at least that is where the burrs kiss together. Very happy with the grinder. Ive found that about 9 is actually the best place to be for the La Pavoni (on this Grinders house bean at least).
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