Hartley Engine’s Custom 1GZ V12

Jaron Olivecrona competes in a Nissan S14 with a 5.0 L V12 built by Hartley Engines. The V12 makes 700 horsepower at 9,500 rpm with a 13:1 compression ratio and E85 fuel. Although the engine is based on Toyota’s 1GZ-FE V12, it features many custom parts developed and built by Hartley Engines. Listen as Andre from High Performance Academy explains how they built the engine. View more photos of the engine here.

Source: High Performance Academy and Hartley Engines via Piotr