Upgraded the Delonghi Icona 310 to a Gaggia classic pro. I dialed it in on the bottomless pf to 16g in to 32g out in 28 seconds. Shot tasted great to me.
De'Longhi Eco310 Icona Review: Things to Brew On Before You Buy This Espresso Maker
De Longhi Icona Pump Espresso Coffee Machine ECO310W - YouTube