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I don't think camshaft failure is common on early M103 engines with regular oil changes. I would make sure the tube is clean and re-use it.

If you decide to replace it, then it's probably not more than $10-20.

I talked to Stu Ritter and he didn't see camshaft failures in his shop (3,500 mils oil change intervals), so I'm not seeing this as a nessary update until possibly a valve job.

Michael

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Michael McGuire
83 300d
01 vw A4 TDI
66 Chevy Corsa
68 GMC V6 w/oD
86 300E