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Old Oct 6th, 2005, 04:00 PM
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engine produces strange knocking

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Last edited by Aluminius; Oct 6th, 2005 at 04:41 PM.
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Old Oct 6th, 2005, 04:00 PM
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DIY engine produces strange knocking

G"Morning!!!

After installing new cam (schrick) and pulley my engine produces strange knocking (clattering). It sounds like relay engaging/disengaging. The sound is quite strong and noticable in 3 to 6 gears under load from 3000 rpm and up.
But if i understand right this is not detonation (going to check the spark-plugs tomorrow). it appears for a second or so then disappear?! and again 500 rpm higher.
Not noticable under load at low rpm!
Could we made something wrong installing the cam? we did not modify spark-plug tubes though the cam touches it noticable
Or could it be bypass valve because of excessive pressure??

Thanx in advance
Peter

Last edited by Aluminius; Oct 6th, 2005 at 06:42 PM.
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