S2000 Under The Hood S2000 Technical and Mechanical discussions.

over revved........

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Old Oct 22, 2014 | 02:38 PM
  #31  
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Maybe take better pictures of retainers 6,7, and 8. Also those "bolt thingies" on top of the retainers are the lock-nut and adjustment screws for setting the valve clearance. You would use a feeler gauge and slip it between that and the valve in order to do a valve adjustment.
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Old Oct 22, 2014 | 03:50 PM
  #32  
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You prolly gonna need to pull the rocker shaft assembly off the head, to get a good look at where the cracks are. At that point, might as well replace the retainers. Just for peace of mind. Sorry about the news.
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Old Oct 22, 2014 | 03:58 PM
  #33  
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From what I can see, they look good. None of the pictures are perfect enough to be sure. If the camera lights up the tiny 45 degree margin, and it's clear, I can be sure.
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Old Oct 22, 2014 | 06:44 PM
  #34  
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Originally Posted by Billman250
From what I can see, they look good. None of the pictures are perfect enough to be sure. If the camera lights up the tiny 45 degree margin, and it's clear, I can be sure.
Yeah beyond 1-5 I can't tell squat from those pictures except none are obviously sunken, I am not sure how anyone else can see anything. To me 1 through 5 look just fine, that said you just overreved, my understanding is that it takes time.
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Old Oct 22, 2014 | 08:03 PM
  #35  
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What's the verdict on aftermarket titanium valve retainers and valves? Long term, hi-R use. Any other issues with using titanium, other than beaucoup bucks?



Thanks!
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Old Oct 22, 2014 | 11:20 PM
  #36  
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Originally Posted by Slowcrash_101
6 7 look cracked from the picture, I'm guessing #8 is not going to fare much better. Those are typically the ones that tend to break, for some reason the cylinders close to the fire wall are the first to suffer on our cars, I guess since that part of the engine has all the other stuff bolted to it, and also happens to be furthest away from the oil pump. The head has very tiny oil openings as well but it kind of has to to minimize windage in the valve train.
I just rechecked them out and they don't look cracked as my pictures above. See my new pictures below and let me know.

Originally Posted by jeggy
Jesse, i replied to you on Facebook.
Thanks Jeggy! Will get back to you once I get on facebook.

Originally Posted by Billman250
From what I can see, they look good. None of the pictures are perfect enough to be sure. If the camera lights up the tiny 45 degree margin, and it's clear, I can be sure.
Billman250, below are some better pictures I took tonight for 5-8.

Retainer 5


Retainer 6


retainer 7


retainer 8

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Old Oct 23, 2014 | 02:36 AM
  #37  
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You're good! I would check them again after you do your next oil change just to be sure.
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Old Oct 23, 2014 | 07:28 AM
  #38  
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Originally Posted by Slowcrash_101
You're good! I would check them again after you do your next oil change just to be sure.
Sweet. Ill probably get these replaced before my next oil change. Just the thought of the issue coming thousands of miles later is quite scary. And it's almost time for her to be stored so I won't be putting any miles on her until next spring if I still haven't the chance to get these replaced. Thanks for the help y'all!
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Old Nov 19, 2014 | 10:16 AM
  #39  
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Is this primarily an AP1 problem? I over revved once in my AP2. Should I have it checked out?
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Old Nov 19, 2014 | 10:48 AM
  #40  
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It is only an AP1 issue, AP2s tend to bend valves. I kinda hesitate to call it a problem as no car is designed to be overreved and cracking retainers is better than bending valves, provided you catch it before it drops a valve. although I still think AP1s can bend valves too.
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