Kyle has posted the info you need, and yeah it well outclassed/outclasses any 2L off this forum, not suprisingly either, as jamie said it was modified abd built by proper motorsports engine builde...
there was two versions of the vzr n1 Kyle v1 and v2, this is in addition to the normal non n1 16ve, the v2 had adjusted maps and a single switch point for both cams, there were also vehicle inte...