Originally Posted by ENFORCER
The Caltex Vortex is meant to be better, but we have not tried it yet. Ours seems to run fine on Shell.
Hmm, I've been using Shell V-Power and its been quite good. I find that BP Ultimate in WA has more additives that made my old 300C (tuned to 98) knock.
So I used to use octane booster with BP, but Woolies didn't knock.
Being in Canberra now, I think I'll just be using Shell V-Power with the 5.7