I've LONG heard from Steve Weiner and others that most knocking in our engines cannot be heard - subaudible, "you hear it and it is too late"
Not busting your balls on this, but it is directly contradictory to all that I have heard from some very credible people.
3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ -
"930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe
Movie: 930 on the dyno