So I am rebuilding my magnum 5.9l. I was hoping to reuse the old lifters. They have 127k on them. I am not sure how to check the condition of the lifters. Some of them I am unable to push down with a pushrod, but others I can. On some of them, the part where the pushrods sits does not spring back up to the top, but maybe that's that because the engine hasn't run in forever and aren't pumped full of oil.I don't know. I will post pictures. I can just buy new ones, but would rather not if they aren't needed. I wasn't able to hear this engine run prior to picking it up but was told it was well. I trusted it with only 127k.

 

Personally I would never reuse them. They are to much work to replace if they fail.

 

I agree with the fanatic there. If some of them don't wanna spring back up, that's bad. As there is indeed a spring in there. They aren't hideously expensive, just replace them.