S2000 Under The Hood S2000 Technical and Mechanical discussions.

Cracked valve spring retainer.....

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Old Nov 30, 2006 | 03:05 PM
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Default Cracked valve spring retainer.....

Went to do a valve adjustment and discovered a cracked retainer.

Now I'm wondering whether I should replace my retainers with new OEMs or should I go with a set of Ti retainers?

Any experiences?

Thanks guys,
Aaron
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Old Nov 30, 2006 | 03:20 PM
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i recomend oem ap2 retainers.
i had to replace mine not too long ago.
i replaced them with oem.
TI retainers will need to be changed a lot more frequently then oem. about every 25k miles or so depending on the manufacturer.
it was a bitch when i did my retainers so i wouldnt want to replace them agian that often. not unless my car visits the track a lot.
as of today i am unaware of any cases of cracked/broken ap2 retainers on ap1 2.0 engines.
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Old Nov 30, 2006 | 05:17 PM
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[QUOTE=jeggy,Nov 30 2006, 07:20 PM]i recomend oem ap2 retainers.
i had to replace mine not too long ago.
i replaced them with oem.
TI retainers will need to be changed a lot more frequently then oem.
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Old Nov 30, 2006 | 06:01 PM
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Thanks for the responses guys!

-Aaron
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Old Dec 1, 2006 | 10:13 AM
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AP2 retainers FTW!!
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Old Mar 15, 2007 | 03:28 PM
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AP2 Valve spring retainer Part Number 14765PRBA01
AP2 Keepers/Cotters Part # 14781PCX004

just ordered mine, hope that helps the "searches"

Edit: added P/N for the keepers
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Old Mar 15, 2007 | 03:30 PM
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Ti retainers should be considered only if you need/want a higher RPM limit. They are less durable at normal RPMs.
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Old Mar 15, 2007 | 05:26 PM
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What is the cost of new AP2 retainers, and how high of a safe RPM can be had with them?
Thanks
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Old Mar 15, 2007 | 05:32 PM
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Cheap. under 100 for a set I believe.

9k all day.
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Old Mar 15, 2007 | 09:50 PM
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Another recommendation for ap2 retainers. I don't think we have heard a report of anyone cracking them yet, at least not with valve to piston contact, at which point no RPM will save you. Billman has stated this opinion and we all know how well he knows s2000's.

Has anyone has ap2 retainers crack on them yet, regardless of what motor they are on?
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