Regular Royal Purple is not adequate. The Royal Purple that is is super expensive. Rotella is a decent option a lot of turbo cars use as well. But bang for the buck Brad Penn is by far the best and it is proven - it's just not that easy to get your hands on.

Last edited by Salomon Ponte; April 23, 2015 03:43 pm UTC.

'92 Talon TSi AWD - 5 Speed/E16G/12.385s @ 115.13mph