If you own an LS3, particularly one fitted with GM 0821 cylinder heads, there is one issue worth knowing about: valve seat failure. What can start as a relatively small problem inside the cylinder head can quickly turn into major engine damage when a valve seat comes loose and drops into the combustion chamber. We recently had an LS3 come into the workshop after suffering exactly this type of failure. Watch the Full Video Breakdown In the video below, we explain what happened

When it comes to unlocking the true potential of a Holden V8, airflow is everything. Kevin brought his VE V8 Ute into Revhigh looking to wake the car up and improve overall performance, throttle response and drivability. The solution? A complete breathing upgrade paired with our custom tuning package. The Upgrade Package To maximise performance, we installed a combination of proven bolt-ons designed to improve airflow from intake to exhaust. The setup included: REV Headers He