I saw the 2JZGTE mentioned... I'm very much in love with the sound of Volkswagen's VR6, or more specifically USP's VRT (video of their old 12V setup).
Dyno:
http://youtu.be/1Lst3aDTqoY
Quarter Mile:
http://youtu.be/097Ao_x8MEA
Street (love listening to that idle in the beginning):
http://youtu.be/HEhHOkmCJO8