Quote:
Originally Posted by rickharrison
That looks like a classic cam tensioner failure to me. Notice the cracked mounting point.
I dunno man, if a good used engine (as I've noted) has decent compression and a serviced well functioning tensioner...it would be a more affordable alternative.
To each his own. Enjoy your project.
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It appears that you are correct Rick. The pad probably crumbled due to its age. Subjected to constant heat over many miles and years the pads eventually become brittle. I am going to guess that once the pad broke away from the cam tensioner the cam chain was thrown which caused them to lock up and rip the cam tensioner from the head. The teeth on the cam sprockets may have been damaged as well. I've seen both the head and cam sprockets repaired but that's another story. Unfortunately, cam tensioner pad failures aren't so unusual and are typically the result of neglected maintenance. The bottom line - change your pads out. It's cheap insurance. Endat, fear not. I have such a project in my garage as well. It can get overwhelming, no? Stay with it. Check out my cam tensioner pad do-it-yourself on Rennlist (DIY Submisson Forum) - photo rich. I hope that you find it informative and useful. I will be doing another DIY involving fan wiring. Good stuff as well.