ECU Shootout
Lexus SC300
Photo: GPS 56 from New Zealand · CC BY 2.0 · Wikimedia Commons ↗

Lexus SC300 standalone ECUs

Lexus's rear-wheel-drive luxury coupe, the export version of the Soarer, using the 3.0-litre 2JZ-GE straight-six.

Chassis
Z30
Years
1992–2001
Engines
2JZ-GE non-VVTi · 2JZ-GE VVTi
Layout
6-cylinder, RWD

You have 4 plug-in ECU options for the Lexus SC300 from ECUMaster. The cheapest complete setup is ECUMaster at US$1,418 including the ECU. 55 wire-in ECUs can also run its 6-cylinder engine with a custom loom, from US$275.

Prices checked and include the ECU.

Your options for this car

New to this? Three ways to fit an aftermarket ECU explains each one in five minutes.

Plug-in ECUs for the Lexus SC300

4 options, cheapest first. Each one links to its full specs and sellers.

4 options
ECUMaster

JZA80 and SC300 2JZ NON VVTI PNP for EMU Classic

Z30Years not listed2JZ-GE non-VVTi

Manual trans only; sequential turbo not supported

CheapestAdapter harness
US$1,418EMU Classic US$999 + harness US$419ECUMaster EMU CLASSIC specs & sellers →Maker's page ↗
ECUMaster

JZA80 and SC300 2JZ NON VVTI PNP for EMU Black

Z30Years not listed2JZ-GE non-VVTi

Manual trans only; sequential turbo not supported

Adapter harness
US$1,748EMU Black US$1,299 + harness US$449ECUMaster EMU BLACK specs & sellers →Maker's page ↗
ECUMaster

2001 LEXUS IS300 & 98-01 GS300 PNP FOR EMU BLACK

JZZ31 (Z30)1998–20012JZ-GE VVTi

Parallel harness; OEM ECU kept for auto trans and ETCS-i throttle

Adapter harness
US$2,198EMU Black US$1,299 + harness US$899ECUMaster EMU BLACK specs & sellers →Maker's page ↗
ECUMaster

JZA80 Supra and SC300 2JZ NON VVTI PNP for EMU PRO

Z301992–19972JZ-GE non-VVTi

Fits EMU PRO-8 or PRO-16; supports manual and A340 auto; Aristo harness compatibility stated

Adapter harness
US$2,689EMU PRO-8 US$2,064 + harness US$625ECUMaster EMU PRO-8 specs & sellers →Maker's page ↗

Wire-in ECUs that can run this engine

Cheapest current unit from each brand with at least 6 injector and ignition outputs, so it runs fully sequential.

Add a loom: built by your tuner or a loom maker. Filter every wire-in ECU by features and price

Find a tuner for these ECUs

Shops with their own dyno that tune the brands above.

About the makers: ECUMaster

Other Lexus models