S2000 Under The Hood S2000 Technical and Mechanical discussions.

Sound normal or TCT?

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Old Jun 14, 2020 | 07:00 AM
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Default Sound normal or TCT?

Ticking sounds louder than usual.. not sure if it has always been like this

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Old Jun 14, 2020 | 08:01 AM
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Idles good, maybe time for a valve lash inspection, nothing there to suggest TCT noise, to me anyway.
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Old Jun 14, 2020 | 08:22 AM
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Tensioner noise is best recorded with hood closed.
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Old Jun 14, 2020 | 10:10 AM
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Originally Posted by Billman250
Tensioner noise is best recorded with hood closed.
Gotcha, lemme see if I can get another vid
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Old Jun 14, 2020 | 10:12 AM
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Originally Posted by Slowcrash_101
Idles good, maybe time for a valve lash inspection, nothing there to suggest TCT noise, to me anyway.
That's just a valve adjustment, right?
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Old Jun 14, 2020 | 10:56 AM
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Originally Posted by dannyhsu
That's just a valve adjustment, right?
Please note, noisy valves are safe valves - our valves tend to get tighter over time.
Making sure they are within spec is always a good idea, but if you plan on doing an adjustment stay on the looser side.
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Old Jun 14, 2020 | 01:01 PM
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If you can't hear the valves they're probably too tight. Loose end of the spec is preferred. Exhaust can be 0.001 looser than spec for more reliability if you're willing to give up some power -- like less than 1 HP.

-- Chuck
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