Dericsh
Supporting Member
- 2,072
- 1,297
- Nov 25, 2002
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Pearl River,
Louisiana
1991 gst all stock. I bought this car cheap with a noise I thought/hoped was the hydraulic timing tensioner. Upon timing breakdown, I found the oil pump sprocket hard to turn, and actually grinding into the front case. I haven’t pulled the engine yet to replace these parts but I assume it has balance shafts so either that failed or the pump itself. While I had the belt off I was checking the lifters and found they were 1g so I ordered a 3g set. When I was installing them I found this. It’s the cylinder 4 passenger side last exhaust cam journal. The one next to it has very minimal wear and all the rest look fine. The cam cap looks great and the cam has a little mark but nothing that catches a finger nail. I assume that since it is the furthest spot from the low/no oil pressure it suffered the damage shown. So in my searching the last couple days, I have seen pictures not as bad, and way worse than this- where the suggestions were to sand and go, or replace the cylinder head. I guess I’m just wondering where the line is and if I crossed it. And if so, I should I be doing a full tear down here, or long block shopping- or can I just replace the head and go?