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Old 01-25-2011, 07:08 PM
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Spring shims on retainers

Hi guys. Congrats on the streetbeast lawsuit.This is my first post.I have been a long time peruser on this site.Lotsa info.Gotta kinda strange question.Is it ok to put valve spring shims under the retainer.Just asking cuz sometimes on a sbc you get valve spring seats that are just deep enough to hold the spring in place ,then if you put shims under them they will dance around outside of the pocket.This is very prevailent on the SR torquers,and sometimes even with different locks or retainers you still need to shim.(1.25", 981 spring).Even with stock length valves you end up with at least 1.81 installed height. I know there are locaters and such for this,but I would still need to shim,nevermind cutting down the guide boss.My thinking on this is :Chevy aways put an oil deflector under their stock springs.(.030").Could i put a shim under the retainer (with enough shoulder to hold the spring).NOW,HERE'S THE KICKER:TITAINIUM RETAINERS!

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Old 01-25-2011, 08:38 PM
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If you did not exceed .045 shimming with the proper shim under the retainer would work. But, the step must be left for the spring. Much better to use up or down retainers/locks..
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Old 01-25-2011, 09:16 PM
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Thanks BOB ! I didnt know whether I said this or not but these are titainium retainers with 10 degree locks (Yeah, I know, but ya use watcha got) Might be the reason for the increased installed height.Have'nt checked one against stock yet.Just wondering whether anyone has used shims under titainium retainers before? Probably negates any weight advantage anyway.
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Old 01-25-2011, 09:38 PM
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Crower has -0.050" locks. ~ $50/set, though.

I don't know where you'll decide to get the other 0.050"-plus from, but it's a start. lol
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Old 01-26-2011, 12:18 AM
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Hypothetecal Question : Can U put springs shims under retainers,Especialy titanium?
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Old 01-26-2011, 02:33 AM
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Yes, It is done on tractors and old engines. Like mentioned before. It negates any weight savings. Saves aluminum retainers from spring chafing. Shouldn't hurt titanium.
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