ALFAGTV6.COM

When first started (cold engine) you can't hear it, but by placing your thumb on the cam cog nut, you can feel it. As it warms up over the course of a couple of minutes, you begin to hear it. The original knock we had, which we got rid of, was caused by a worn lobe and tappet which, as you say, was ...

Having developed a knock in the right head of my father's 2.5 GTV6, we decided to pull the valve covers and take a look. What we found was a badly worn valve lobe and tappet. So, at the recommendation of so many, we replaced the cams with those from the 164s. We pulled the heads, did the head gasket...