Ok here's the up date changed the oil put a little thicker and lucased still same sound did'nt change. I was told they don't have lifters but was told the cam could be wore a little letting the rockers be loose any truth to this. You can listen with thesascopes to the valve cover under the throttlebody and theirs a rattle when you move it forwards or backwards you don't hear it. i'm just worried it could be a rodbearing, i've also listened to the oilpan you can hear it there very very faintly not any where as loud as the valve cover.
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