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Re: classic 3.0 ticking
The ticking comes from worn valve lash adjustors. The valve lash adjustors are on the contact tips of the rocker arms and act like a shock absorber to keep the rocker arm from flapping. They are hydrolic using the engine oil. Over time, oil is no longer is retained by them.
You will notice the ticking is loudest when just starting the car, and it quiets down abit after oil gets pumped up to the valve cover area and the valve lash adjuster gets refilled with oil.
The noise is more of an anoyance than a problem.
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