So the beer engine is just a manner to dispense your beers. Where the magic happens is that beer engines require lower co2 levels. What this does, in combination of a higher serving temp is you get a bunch more flavor out of your beers.
Personally I disdain big OG high alcohol beers for one I can only have a couple before I want to take a nap. Another reason is all I taste is sweet. I like beers with a dry finish my personal opinion. Now serving a 1.060 + beer on an engine would be the absolute worst for me anyway
CO2 also adds to perceived bitterness take a coke Pepsi 7up exc and shake the snot out of it to release the co2. Ungodly sweet.
So with lower co2 beers you can reduce the OG and still get wonderful flavors esp when served in the low 50s.
I mainly brew my pales with US citrusy hops. I love mosaic and have brewed multiple 1.040-45 beers that pack tons of flavor when compared with higher OG higher carbed beers. Again personal preference
So the engine simply enables you to serve beers with reduced CO2 levels. I tried duplicating this with a standard setup prior to getting my engines and could not get the same flavor profile.
Hope all this is helpful. It is something that really enjoy as well as sharing with others.
Feel free to ask as many questions once you get your system. I am not familiar with the 365 engine just the Angram as that was all that was available when I purchased mine
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