How can you tell what valvetrain component is bad?

BlkSCnKS

Registered User
I'm tearing my engine apart tomorrow and was wondering how can you tell if a lifter is bad. I'm really hoping the problem is apparent, broken valve spring, bent pushrod, loose rocker arm, etc. But if it isn't, how can you check the lifters? Thanks, Brandon
 
I don't know how you could do it?

I have put some in a drill press and used it to press down on it to see if they were 'working'. But that was a long time ago, in a galaxy far far away.......

There are only 12 of them in these engines, so I would think the best thing would be to replace all of them.
 
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