LEXUS V8 Engines LLC

Documented workshop project

1990 Supra A70 3UZ-FE Manual Harness Test

A 2006 SC430 3UZ-FE VVT-i system is prepared for a 1990 Toyota Supra A70 with a manual transmission. The video covers the rebuilt conversion harness, cruise-control interface, and test verification.

Project dateFebruary 3, 2026
Video length9 min 38 sec
Published on YouTubeSeptember 6, 2026

A 2006 SC430 3UZ-FE VVT-i system is prepared for a 1990 Toyota Supra A70 with a manual transmission. The video covers the rebuilt conversion harness, cruise-control interface, and test verification.

This page records the supplied engine-management package, its connections and the workshop test shown in the video.

This is workshop verification of the supplied system. Donor ECU details, chassis integration and final installation conditions vary by project. These modified engines are used in off-road, track, competition, marine and other custom applications.