Quote Originally Posted by SgtMarshal View Post
the timing chain isn't like a timing belt where it needs to be changed or the engine will fail. your timing chain will be fine in there unless you put in a heavy valve spring in.
X2. But if you're having lifter issues like your other thread makes it sound like, you might want to do a few things to freshen everything up. Like dod delete, cam, and while you're there, new timing chain. But again, not really a maintenance reason to do it.

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