Hey guys, my S50 was getting water into Cyl #3 which I now believe to be a cracked head. When removing the head, I pulled the cams out and the exhaust cam has scoring on three bearing surfaces. The cam tray and caps also have scoring. Is this normal or are the cam, tray, and caps trash?
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Hopefully 328ijunkie will chime in on this since he has posted a lot of info on cams in the past.
I believe that he stated the exhaust cams generally show much more wear than the intake cams and that some scoring is normal - I do not have enough experience to tell whether this is normal or not - I will be interested in the outcome since I am still shopping for used S52 cams for my project.
I hope the news is good in your case!
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Originally posted by mjweimer View PostHopefully 328ijunkie will chime in on this since he has posted a lot of info on cams in the past.
I believe that he stated the exhaust cams generally show much more wear than the intake cams and that some scoring is normal - I do not have enough experience to tell whether this is normal or not - I will be interested in the outcome since I am still shopping for used S52 cams for my project.
I hope the news is good in your case!
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groove down the middle is slightly alarming. Im running a worse than that set in my track car with no issues...YMMV.
I would install those myself in any of my cars, not a customer car though... Light scoring is normal, >.5mm grove not great.
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Its tough to actually tell by a picture. However, none of it looks like trash. Does your finger nail get caught on the scratch?
Any good machine shop can polish them and they should be good to go.
The cam trays and cam caps can also be polished. I would at least ask a machine shop before you spend money on unnecessary items.
The lifters should also be interchangeable.
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