Sharandeep’s VE Alloytec V8  recently received a Stage 2 intake and dyno tune  using the ORSSOM OTR intake , delivering improved airflow and performance gains. During the tuning session, the dyno graph appeared a bit wavy due to knock retard  triggered on 91 octane fuel . Older motors, like the VE Alloytec, are particularly sensitive to detonation and pinging. For maximum safety and performance , we recommend using 98 octane fuel  whenever possible. This Stage 2 tune, combine