Re: tracking down ticking noise

Posted by Jim Kavanagh On 2019/6/21 18:07:30

Since I had the head off to replace the lifters, I removed all the valves, they were all cleaned before re-assembly. Everything in this engine is quite clean. It was rebuilt about 6 years ago(not by me), with not many miles since. No gunk anywhere. I don't think there is much chance of a sticking valve, but I will try the suggestion just to see if it affects the noise at all. Willing to try anything. I also tested the valve springs, which were fine as well. Did not have the head surfaced, so I don't think clearances have changed all that much.
The noise only starts after the motor has heated up, though now it comes on quicker - that is after only a few minutes. Before it took maybe twenty to thirty minutes to become noticable. Compression is 105 to 110 across all cylinders.