Quote Originally Posted by Doppelgänger View Post
Also, just to show that the "big boy" engines aren't always what you think is king, take some of the cars from JGTC as an example. The all-mighty Supras that ran in JGTC quite commonly used the 3S-GTE and some even used the 3UZ-FE....makes you wonder why they didn't use the 1JZ-GTE (not really all that much of a mystery). In later years, some of the GT-R teams ditched the RB for a VQ as well and in some GT-Rs, SR20s were used.

I believe those motors were used due to displacement limitations in that jgtc class, as well as weight.