S2000 Under The Hood S2000 Technical and Mechanical discussions.

valves?

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Old May 10, 2006 | 05:51 AM
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I have a ticking comming from the motor I figured it needed a valve adj. so I took it to the shop and they mdae the adj. they also said they think I bent a valve. I have missed 2nd gear a few times cound this bend a valve, or did I throw the timing off. I ran the car open header one time would a burnt valve be ticking?
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Old May 10, 2006 | 06:43 AM
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Originally Posted by roadents2k,May 10 2006, 06:51 AM
I have missed 2nd gear a few times cound this bend a valve, or did I throw the timing off.
"Missing" 2nd won't do anything. Going into 2nd when you didn't mean to, might just bend a valve or 2 or 3 or 4.
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Old May 10, 2006 | 07:39 AM
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Running it to extreme temperatures with an open header then having it cool too quickly with an Icy wind could theoretically cause exhaust valve warpage. In reality I doubt it.

Why do they say you bent a valve? Is it running poorly, missing, poor compression or failed leakdown test? More info would be helpful.
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Old May 10, 2006 | 09:21 AM
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sometimes it sounds as if it has a cam
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Old May 10, 2006 | 10:38 AM
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Originally Posted by roadents2k,May 10 2006, 10:21 AM
sometimes it sounds as if it has a cam
It does have a cam. In fact, it has two cams (shafts, that is).
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Old May 10, 2006 | 11:11 AM
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[QUOTE=xviper,May 10 2006, 11:38 AM]
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Old May 10, 2006 | 11:18 AM
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Originally Posted by Sideways,May 10 2006, 12:11 PM
Dave,
In his statement "sound as if it has a cam" is a colloquialism referring to lope at idle that is very pronounced like the old Corvette Duntoff cams and infers a high performance cam.
Thanks for the explanation. This is not a term I'm familiar with. Now, "lopey idle", I can relate to.
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Old May 10, 2006 | 08:10 PM
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Get a leakdown test done on the motor. If the valve is bent it will leak a truckload into the exhaust or inlet.
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Old May 11, 2006 | 05:02 AM
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would the valve be causing the car to lope. could it be a broke valve spring
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Old May 11, 2006 | 06:16 AM
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i think you are hearing the fuel injectors pulse
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