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How often - valve retainers, head rebuild?

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Old 03-16-2005, 11:36 AM
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Default How often - valve retainers, head rebuild?

I just spent $3k+ getting a new shortblock and the last thing I need is to drop a valve....

My car only has 8-9k total miles on it with about 2000-2500 racing miles..... when the head was off for the shortblock install they said it looked fine.... I am just trying to be smart so i don't have any issues with anything......

Do the stock valves, retainers, etc... (i have no idea what the hell all of this shit does) last pretty long? You guys with 50k miles on your cars with lots of track miles ever replace your retainers, etc....

Old 03-17-2005, 09:07 AM
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inspect the retainers to see if the keeper is sliding down
Old 03-17-2005, 10:35 AM
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Scot,

I'd definitely replace the retainers with Ti. That's the only failure we've ever had on a stock valvetrain with Karner's car. Its cheap insurance against an expensive failure.

UL
Old 03-17-2005, 02:31 PM
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Oh no!

I was reminded again...............
Old 03-17-2005, 03:15 PM
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UL: I've heard from numerous other automotive communities that Ti retainers can gall and distort, as well as crack w/ time. Have you found this to be the case? What are your opinions on the galling of Ti retainers? Thanks.
Old 03-18-2005, 08:44 AM
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Never seen it myself. I ran them for over 30k miles on a street car with no issues. Talk to any good head guy and they'll tell you it just isn't a problem these days what with modern alloys and the relatively small side/rotational forces imposed on a retainer.

UL
Old 03-18-2005, 10:17 AM
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since I am not 100% sure the Ti retainers are legal i ordered OEM honda retainers / keepers and will have them installed in about a week (hopefully)...... getting my valves adjusted at the same time.

thanks for the help everyone.
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