154SHO
New Member
Below you will find the results of an impromptu plug change after purchasing my car a few weeks ago. So far I changed the front three earlier but will be getting the back three in a little bit. I assumed 4,5,and number 6 cylinders are the front three so don’t **** me if I’m wrong lol. Noticed a decent amount of oil on two of the three. Talking with my brother we are thinking valves stem/seat issue. I don’t know that much about these engines yet to fully diagnose but I’m hoping someone that has gone through a couple of these higher mileage engines could chime in (109k). I guess my first question is should I be worried? Second is this something that can be taken care of at the time if I decide to do a timing chain? Or do I buy a new crate motor for the 6k. Or just run it till she pops then replace motor and PTU at that time?

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