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Tapping sound from 3000-6000 RPM!

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Old Nov 18, 2018, 03:35 PM
  #31  
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This is what my engine sounds like at idle. Evo ix with S2 cams.
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Old Nov 19, 2018, 06:16 PM
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Sounds normal to me.
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Old Nov 19, 2018, 06:35 PM
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Originally Posted by barneyb
Ticking could have been due to a lack of oil pressure. If that's the case then the two problems are related.
but the oil pressure was good, its around 35 at idle and 96 at WOT, do collapased lifters damage the motor?
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Old Nov 19, 2018, 06:41 PM
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Originally Posted by 2006EvoIXer
This is what my engine sounds like at idle. Evo ix with S2 cams.
https://youtu.be/DWcNN06-YMo
i have gsc s2 cams as well but your are very quiet, mine went like 'tick tick tick' you could really notice them, maybe collapased lifters?
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Old Nov 21, 2018, 06:46 AM
  #35  
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Originally Posted by babaz7
but the oil pressure was good, its around 35 at idle and 96 at WOT, do collapased lifters damage the motor?
A collapsed lifter will wear that valve to valve seat and can break that rocker (or dent the roller bearing) and dent that cam lobe. Must fix.
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Old Nov 21, 2018, 08:23 AM
  #36  
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Lifters will tick at idle as well not just 3000 to 6000 rpm. You should check the oil for any kind of metal residue (just in case)
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Old Nov 21, 2018, 09:07 AM
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Originally Posted by babaz7
dont worry seized my engine up, its either running WOT on ticking lifters or the new valve cover holes i drilled
Running without oil or coolant will seize the engine. If you didn't do that then maybe the engine isn't seized. It could be that one of the accessories or idlers on the serpentine belt has locked. Pull the belt and check if everything spins freely.
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