H22A valve springs - egg shape, lemon shape

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Mar 20, 2006 | 08:37 AM

PreludeZ

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From: Prague, Czech rep.

H22A valve springs - egg shape, lemon shape

in manual is written that there are 2 different shapes of outer valve spring (egg shape and lemon shape) but it is not specified which is intake and which is exhaust spring...
Anybody knows?

Mar 21, 2006 | 02:45 AM

PreludeZ

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Re: H22A valve springs - egg shape, lemon shape (PreludeZ)

nobody knows which one is for intake/exhaust?

Mar 21, 2006 | 07:05 AM

pentaq

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Re: H22A valve springs - egg shape, lemon shape (PreludeZ)

Are they marked anyhow? As far as I know yellows go to the intake and blues to the exhaust side.

Mar 21, 2006 | 10:32 AM

PreludeZ

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From: Prague, Czech rep.

Re: H22A valve springs - egg shape, lemon shape (pentaq)

no colours

just this

Mar 21, 2006 | 11:00 AM

pentaq

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Re: H22A valve springs - egg shape, lemon shape (PreludeZ)

It says that the WIRE of the spring has some different shapes (someone corrects me if I'm wrong in this place).
From the begining: what's your problem? Do you have your valve springs mixed up and you don't know which is which?

Mar 21, 2006 | 02:23 PM

flyrod

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From: land of the sheep, home of the hypocrite

Re: H22A valve springs - egg shape, lemon shape (pentaq)

I think the free length is slightly different between the EX and IN valve springs. Measure them and compare against the spec in the manual.

Mar 21, 2006 | 03:38 PM

BlueLude94

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From: Bitburg, Germany

Re: H22A valve springs - egg shape, lemon shape (flyrod)

THIS IS JUST A QUESS!!!

But if I HAD to QUESS, I would say the lemon shape would be the intake side due to the reduced(limited) space from the VTEC lobe, but IDK????????

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Mar 22, 2006 | 12:08 AM

PreludeZ

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From: Prague, Czech rep.

Re: H22A valve springs - egg shape, lemon shape (pentaq)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by pentaq »</TD></TR><TR><TD CLASS="quote">It says that the WIRE of the spring has some different shapes (someone corrects me if I'm wrong in this place). </TD></TR></TABLE>
You are right, the wires that springs are made of are different.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by pentaq »</TD></TR><TR><TD CLASS="quote">From the begining: what's your problem? Do you have your valve springs mixed up and you don't know which is which?</TD></TR></TABLE>
Exactly, the springs on valves are mixed...

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by flyrod »</TD></TR><TR><TD CLASS="quote">I think the free length is slightly different between the EX and IN valve springs. Measure them and compare against the spec in the manual.</TD></TR></TABLE>
YES THATS IT!!!

so, in the light of new evidence, it is now clear that the springs with LEMON shaped wire are for INTAKE valves (they are shorter = 45,16mm (1.778in)) and on the other side the springs with EGG shaped wire are for EXHAUST valves (they are longer = 46,72mm (1.839in))

Thanks to all who wrote to this thread!

Thanks for all your posts guys!