Reply to "Ticking valves?"

noquarterMember

Thanks for your thorough answer.

Some comments.
The oil was very black when I received the car (the car has been stationary for maybe years), so I changed it before driving it, I use normal 15/40 oil. I'm not sure what ZDDP is, haven't heard about it over here in Denmark?
I don't think someone put race-type lifters in, everything else on the engine is stock as far as I can see.
I could change lifters, arms and pushrods, but before doing that:
1. Can I drive the car as it is until it get's worse, or will I damage it?
2. Do you think my cam is OK, the fact that one lifter "looked" to have lower lift, is that important, or can't I check it like that?
3. Do I need to change all 16 is just one is noisy? Is one at fault, or is it only the first and the rest will come later? (the engine is supposed to have driven only 50000 miles, but you never know, but compression looks good, no oil in exhaust)
If I'm to use shims, I'd need a longer pushrod, not shorter? Or do the shims go on top?

Thanks

6/29/085:53 AM

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