When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Are you sure the noise is coming from the engine?
I have a similar ticking noise but it seems to come from the trans or bell housing area.
I had my heads redone and new manifold gaskets 5000 miles ago so I doubt that is the problem in my case.