S2000 Under The Hood S2000 Technical and Mechanical discussions.

Cracked valve spring retainer.....

Old 03-15-2007, 10:04 PM
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Originally Posted by RED MX5' date='Nov 30 2006, 09:17 PM


Aaron, do a search for "cracked retainers" and "Billman." AP2 retainers are the way to go, but I believe they have to be modified to work in the F20C. Billman can clearify.
I thought the AP2 retainers into an AP1 head were pretty much install and go, what modifications are you thinking of?
Old 03-15-2007, 11:34 PM
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Originally Posted by Kyushin' date='Mar 15 2007, 10:04 PM
I thought the AP2 retainers into an AP1 head were pretty much install and go, what modifications are you thinking of?
i would also like to know, Billman?
Old 03-16-2007, 02:34 AM
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No mods. Just use AP2 keepers with them.
Old 03-16-2007, 06:09 AM
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Originally Posted by Billman250' date='Mar 16 2007, 02:34 AM
No mods. Just use AP2 keepers with them.
Do the AP2 keepers come with the AP2 retainers, or do they need to be ordered separately? Sorry if this is a dumb question, I'm slowly compiling info and I might just do the swap on my AP1 for peace of mind.
Old 03-16-2007, 07:10 AM
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Originally Posted by 90crvtec' date='Mar 16 2007, 09:09 AM
Do the AP2 keepers come with the AP2 retainers, or do they need to be ordered separately? Sorry if this is a dumb question, I'm slowly compiling info and I might just do the swap on my AP1 for peace of mind.
retainers should be $2-$2.50 each depending where you purchase them. keepers should be $3 for each pair. they are separate parts and do not come together.. so $85-90 total
Old 03-16-2007, 09:30 AM
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Originally Posted by vtec9' date='Mar 16 2007, 07:10 AM
retainers should be $2-$2.50 each depending where you purchase them. keepers should be $3 for each pair. they are separate parts and do not come together.. so $85-90 total
is the "keeper" the same as what Honda calls a "cotter"?
and am I correct in assuming that we need 32 pcs (halves)?
Old 03-16-2007, 09:36 AM
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Wouldn't the F20C2 retainers do the trick?
Old 03-16-2007, 02:13 PM
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Keepers/cotters are the same. You'll need two for each retainer, so 32.

Personally, I'll do AP2 retainers on the intake side only if I find them broken.
Old 03-17-2007, 11:19 AM
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Originally Posted by Billman250' date='Mar 16 2007, 05:34 AM
No mods. Just use AP2 keepers with them.
My mistake. I thought the AP2 retainers needed a little grinding to work on the AP1.
Old 04-04-2007, 06:53 PM
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so basically only 16?

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