[7thgear]

Originally Posted by sierra

Here's the post.


The engine was already knocking with the 91 octane because he noticed 'a pinging noise more than usual', so clearly 91 isn't up to the job for this engine. That's why they say to use 93 or higher.

I run mine on 98RON[US93] and have never heard any pinging[knocking].

go away