Lexus V8 Engines LLC

10/14/2026

1995 Lexus SC400 • 3UZ-FE VVT-i • Manual swap

Watch the complete standalone harness walkthrough and live test run from Lexus V8 Engines LLC. We cover the wiring, fuse and relay center, ECU connections and OBD-II verification—including a scan showing zero diagnostic trouble codes.

Planning a Toyota or Lexus UZ swap? Message Lexus V8 Engines LLC about your project. Follow our page for more customer builds and test runs, and subscribe on YouTube for the full walkthroughs.



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This 1995 Lexus SC400 is being prepared for a first-generation 3UZ-...

09/06/2026

This 1996 Toyota Land Cruiser 80-Series conversion uses a 1999 Land Cruiser non-VVT-i 2UZ-FE automatic 4x4 donor system.

For Zach's project, we rebuilt and checked the engine harness, renewed the required connectors, prepared the ECU and verified the automatic-transmission and transfer-case circuits, power controls, OBD communication and complete test-stand operation.

Watch the full wiring go-through and test run here: https://youtu.be/2S2RDiG-PK4

Lexus V8 Engines: https://www.lexusv8.com/

A professionally prepared 2UZ-FE automatic 4x4 wiring package for Z...

09/06/2026

This 1991 FJ80 Land Cruiser 4x4 project combines an early-2000s 2UZ-FE with an A750F automatic and HF2AV full-time four-wheel-drive transfer case.

For Riley's conversion, we prepared and checked the engine, transmission and transfer-case wiring, centre-differential-lock integration, ECU interface, power controls and diagnostics before a complete test-stand run.

Watch the full wiring go-through and test run here: https://youtu.be/sYZFwiVIQ0o

Lexus V8 Engines: https://www.lexusv8.com/

A professionally prepared 2UZ-FE, A750F and HF2AV wiring package fo...

09/06/2026

This 1972 FJ40 conversion brings together a 2005 Tundra 2UZ-FE VVT-i, an A750E 2WD automatic and a 1971 FJ40 manual transfer case.

For Ricardo's project, we rebuilt and prepared the complete harness, renewed the required connectors, prepared the ECU and verified the engine-management and transmission package through OBD diagnostics and a full test-stand run.

Watch the complete wiring go-through and test run here: https://youtu.be/4e3H_qr6KRk

Lexus V8 Engines: https://www.lexusv8.com/

A complete 2UZ-FE VVT-i and A750E wiring package for Ricardo's 1972...

09/06/2026

This 2003 IS300 manual-swap project is being prepared around a 1998 GS400 1UZ-FE VVT-i package.

For Brandon's build, we converted and checked the engine harness, renewed the required connectors, prepared the ECU and verified the complete engine-management package with OBD diagnostics and a test-stand run.

Watch the complete wiring go-through and test run here: https://youtu.be/s6brneEAWyM

Lexus V8 Engines: https://www.lexusv8.com/

A complete 1UZ-FE VVT-i wiring-harness conversion, ECU preparation ...

09/06/2026

This 2013 Mazda BT-50 project is bringing a 2006 GS430 3UZ-FE VVT-i and six-speed automatic package to Malaysia.

For Chef Harry's build, we prepared the complete engine harness, bypassed and flashed the ECU, supplied the electronic accelerator pedal and verified the engine-management and automatic-transmission package on the test stand before export.

Watch the complete wiring go-through and test run here: https://youtu.be/YLs9EgzIO1I

Lexus V8 Engines: https://www.lexusv8.com/

A complete 3UZ-FE VVT-i six-speed automatic wiring package, ECU pre...

09/06/2026

A second-generation Toyota 4Runner 4x4 is getting a purpose-built 3UZ-FE VVT-i engine-management package.

For this 1992 manual-transmission project, we built a brand-new standalone harness with an in-cab ECU arrangement, labelled vehicle interfaces, electronic-throttle and MAF wiring, O2 extensions, OBD-II diagnostics, ECU preparation and a complete test-stand verification.

Watch the full wiring go-through and test run here: https://youtu.be/elrZOEgqHPg

Lexus V8 Engines: https://www.lexusv8.com/

A complete new standalone 3UZ-FE VVT-i wiring package, ECU preparat...

09/06/2026

A classic Toyota 4x4 with modern Lexus V8 power—and an engine-management package rebuilt to match.

This 1981 Toyota Pickup 4x4 is receiving a 2003 SC430 3UZ-FE VVT-i with a manual transmission. We carried out extensive connector renewal, rebuilt the engine harness, prepared the electronic-throttle interface and OBD-II diagnostics, flashed the ECU for the manual application, and verified the finished package on the test stand.

Watch the complete wiring go-through and test run here: https://youtu.be/cJxXTUMRD3Y

Lexus V8 Engines: https://www.lexusv8.com/

A complete wiring-harness rebuild, ECU preparation and test-stand v...

09/06/2026

This 1996 Toyota Tacoma 2WD is being prepared for a 1UZ-FE VVT-i and manual-transmission conversion using a 2000 Lexus LS400 donor package.

We rebuilt and tested the engine harness, renewed a long list of brittle connectors, prepared the ECU for the manual application, added an OBD-II diagnostic connection, and verified the complete package on our test stand.

Watch the full workshop go-through here: https://youtu.be/3ZGK2mH8Ens

Lexus V8 Engines: https://www.lexusv8.com/

09/06/2026

A 1990 Toyota Supra A70 is being prepared for a 3UZ-FE VVT-i V8 from a 2006 Lexus SC430 with a manual transmission. See the rebuilt conversion harness, cruise-control integration, air/transmission deletes, performance calibration and complete test proof.

Watch the complete walkthrough: https://youtu.be/zQoqZDBAG-4

Professional 1UZ-FE, 2UZ-FE and 3UZ-FE conversion wiring: https://www.lexusv8.com/