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?
Goats came with a variety of 389, 400 and 455 CI Pontiac engines in the 60s and 70s, but then just the Chevy LS in 5.7 and 6.0L for the last version based on the Holden.