What size engine did the 76 come with?

I had one with the 400 engine, and I belive they came also with the 350.

350, 400, and even 454-cid engines were available in the 1976 Impala.

I think the 350 was the stock. But you can easily slip in a 454

Hello I have a 1964 Impala but I’m not sure which engine is on the vehicle... figuring it’s a V8, I thinks it’s a 327, or 307.. it’s not the super Sport.. it’s the stock engine.. any ideas?