LEXUS V8 Engines LLC

Documented workshop project

1981 Toyota Pickup 3UZ-FE VVT-i Manual Harness Test

A 2003 SC430 3UZ-FE VVT-i system is prepared for a 1981 Toyota Pickup 4×4 with a manual transmission. The video covers the harness rebuild, ECU preparation, vehicle connections, and test-stand verification.

Project dateMarch 19, 2026
Video length13 min 5 sec
Published on YouTubeSeptember 6, 2026

A 2003 SC430 3UZ-FE VVT-i system is prepared for a 1981 Toyota Pickup 4×4 with a manual transmission. The video covers the harness rebuild, ECU preparation, vehicle connections, and test-stand 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.