I don’t know a ton about foreign motors other than surface level stuff like the 2JZ, Wankel, etc. so please forgive my ignorance outside of US motors.
However, in my eyes, it doesn’t get better than the simplicity and easily available power of the SBC, BBC, and 6BT. What are your all time favorites and why?
BMW’s got a special place in my heart for engines
M52
S52
M54
S54
M73
B58
There’s some more that I like but I kinda forgot most of them