I used 0.4mm enamelled copper wire for the output inductor. This is quite fine and easy to adjust. I used 24SWG tinned copper wire for the input inductor and this is about 0.56mm diameter. This was a bit stiffer to adjust but you can see I achieved the 18dB gain your initial simulation predicted. My simulation used a very basic inductor model, but it still agreed quite well with your simulation and my ugly built version.
The s2p model I gave you for the 2N3904 should be really good provided that you have a 2n3904 made by the same manufacturer as me. I've posted up the image below before, but these are the 2N3904 parts I used to create the s2p data model. These were purchased from Farnell. Ideally you should be using the same if you want to get good agreement.
Most radio tinkerers will never attempt what you are trying to do even when they have been playing radio for decades. So, my advice would be to keep at it and keep refining your simulation and modelling skills
