The 4JJ1 engine is popular, we more commonly see it in the Isuzu DMAX as its an isuzu engine.
This 2009 Holden Rodeo we managed to increase the power at the wheels on the dyno from 82 KW to 106 KW with nothing more than our custom ECU tune. Torque was increased from 257 NM to 327 NM at the wheels.
