S2000 Under The Hood S2000 Technical and Mechanical discussions.

Rod knock or loud valves?

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Old 03-10-2015, 11:13 PM
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Glad you found that missing nut. That had to be a BIG relief. Adjuster screw isn't stretched or anything that may make it hard to torque the thing down properly?
Old 03-11-2015, 03:07 AM
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Originally Posted by windhund116
Glad you found that missing nut. That had to be a BIG relief. Adjuster screw isn't stretched or anything that may make it hard to torque the thing down properly?
Nope.

Just got everything put back together and started up the car. Sounds great! Thanks for all your help guys.
Old 03-11-2015, 05:15 AM
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Oh dang, you are lucky!! That is my greatest fear after a VA, I have a process of adjust, torque to spec, recheck, but I am always fearful of forgetting to torque one of those buggers down.

Although, I am not sure that they could actually make it out of the head, I always thought they would be too big to get through the channels?
Old 03-11-2015, 05:48 AM
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^ this. Or breaking the damn thing off
Old 03-11-2015, 06:05 AM
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Phew!!!
Old 03-11-2015, 08:23 AM
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This may be a silly question... but with that adjusting nut off during some "hard driving" wouldn't the valve have been extremely loose? Could that have caused some damage elsewhere?
Old 03-11-2015, 09:24 AM
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That nut just locks the adjustment, it is just a jam nut. So, yeah the valve would have the ability to loosen or tighten for that matter, but wouldn't necessarily go to the extreame of one or the other.
Old 03-11-2015, 09:31 AM
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Oh it goes to an extreme. Extremely tight means burned valves if you idle the car a lot, ie street drive it. Extremely loose, a horrible racket and if you're hitting it, you can potentially mushroom the valve stems tips. Not to mention the valve won't open all the way causing reduced performance.
Old 03-11-2015, 11:45 AM
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Originally Posted by bgoetz
Oh dang, you are lucky!! That is my greatest fear after a VA, I have a process of adjust, torque to spec, recheck, but I am always fearful of forgetting to torque one of those buggers down.

Although, I am not sure that they could actually make it out of the head, I always thought they would be too big to get through the channels?
Historically they have made it out of the head. There was another thread where it was sitting in another guys oil pan.
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