I have ford racing pedestal mounted roller rockers with stock size harden push rods so I just torqued them down on my gt40p heads. I had just roller tip rockers before but made no noise. I heard that some noise is normal Is this true? I'll see If I can get the noise on video tonight and post it.. Heres the vid http://s70.photobucket.com/albums/i120/ruststang94/?action=view¤t=mycaridle.flv