What is spring surge & Why should i make sure my Valve Train is adeqauate
11-24-2006, 10:54 PM
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What is spring surge & Why should i make sure my Valve Train is adeqauate
11-25-2006, 03:11 AM
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Re: What is spring surge & Why should i make sure my Valve Train is adeqauate (Combustion Contraptio
Dam! Thanks for the vid. Its not often we get to see engine components at work in real time like this. BTW..what spring was that?
11-25-2006, 10:51 AM
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Re: What is spring surge & Why should i make sure my Valve Train is adeqauate (Combustion Contraptio
http://www.spintron.com/
CV Products has on available for rent.I have seen footage with the spring "floating".Neither touching the seat or the retainer.This is a critical tool for valve spring development.I know Comp Cams and Isky have them.
CV Products has on available for rent.I have seen footage with the spring "floating".Neither touching the seat or the retainer.This is a critical tool for valve spring development.I know Comp Cams and Isky have them.
11-25-2006, 03:31 PM
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Re: What is spring surge & Why should i make sure my Valve Train is adeqauate (Combustion Contraptio
now is that an example of an adequate spring setup? or no? any idea what rpms that motor was at?
11-25-2006, 08:58 PM
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Re: What is spring surge & Why should i make sure my Valve Train is adeqauate (Combustion Contraptio
never seen a diesel run a T@D shaft mounted rocker arm and it was spining way
to many rpm's to be a diesel
to many rpm's to be a diesel
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11-25-2006, 10:17 PM
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Re: What is spring surge & Why should i make sure my Valve Train is adeqauate (Combustion Contraptio
T@D is the manufacture,a rocker arm is the blue thing you see going up and down,
and its mounted on a shaft instead of a stud.
and its mounted on a shaft instead of a stud.
11-26-2006, 12:32 AM
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Re: What is spring surge & Why should i make sure my Valve Train is adeqauate (Combustion Contraptio
im a diesel mechanic................ Detroit to be exact. i just didn't know if the T@D thing was a typo. and just to throw it in there the engines i work on use shaft mounted rocker arms on a OHC design engine. and i agree with u 100% about the engine spinning way to fast to be a diesel.
11-26-2006, 07:19 AM
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Re: What is spring surge & Why should i make sure my Valve Train is adeqauate (Combustion Contraptio
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by alterdcreations »</TD></TR><TR><TD CLASS="quote">looks like a diesel</TD></TR></TABLE>
it was just a tought
it looks like its on the verge of floating
(but i am no expert)
it was just a tought
it looks like its on the verge of floating
(but i am no expert)
11-26-2006, 04:19 PM
#12
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Re: What is spring surge & Why should i make sure my Valve Train is adeqauate (Combustion Contraptio
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by GSRCRXsi »</TD></TR><TR><TD CLASS="quote">how do you know how fast the engine is spinning?</TD></TR></TABLE>
the characteristics of the valve motion.
the characteristics of the valve motion.
11-26-2006, 05:53 PM
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Re: What is spring surge & Why should i make sure my Valve Train is adeqauate (Combustion Contraptio
well how fast is it spinning then? and what characteristics do you use to translate that into an actual number or range of possible RPMs?
11-26-2006, 10:42 PM
#14
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What do you want, an exact number? Im saying, for the valve to be "bouncing" like that, you got to be spinning a little faster than a deisel normally would.
11-27-2006, 04:38 AM
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Re: (Combustion Contraption)
no not at all. i know pin pointing a number would be near impossible unless you know the speed of the camera. i was just wondering what you were looking at to estimate speed. just trying to learn 
11-27-2006, 10:13 AM
#17
Re: (yugadnoh)
Surge is much like a tidal surge. **** just keeps going when it shouldn't.
There are a couple design elements that can lessing this "surge". One is have an inner and outer spring rub each other. Another is to have the spring assymetrically wound in various configurations that produces varying spring rate along the length of the springs, another simple one is to anchor both ends of the spring. But what do I know, I am just a lackey.
Good topic. Constipation Contraption.
Cosworth Products
There are a couple design elements that can lessing this "surge". One is have an inner and outer spring rub each other. Another is to have the spring assymetrically wound in various configurations that produces varying spring rate along the length of the springs, another simple one is to anchor both ends of the spring. But what do I know, I am just a lackey.
Good topic.
Constipation Contraption.Cosworth Products
11-27-2006, 10:22 AM
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Re: (alterdcreations)
You can see the top of the valvestem slightly bouncing away from the rocker!! That is insane!! The spring almost looks like its made of some sort of gelatinous material.....
11-27-2006, 10:25 AM
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Re: (d16dcoe45)
I don't want to jack the thread but it is sort of related. How come there isn't a SINGLE beehive spring/retainer designs for any Honda motor available? They are getting big in domestics. I can't see any drawbacks to it. You could use a steel retainer that is just as light or lighter than a "conventional" titanium retainer--and have steel's durability, using beehives.
11-27-2006, 07:46 PM
#21
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Re: (d16dcoe45)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by d16dcoe45 »</TD></TR><TR><TD CLASS="quote">I don't want to jack the thread but it is sort of related. How come there isn't a SINGLE beehive spring/retainer designs for any Honda motor available? They are getting big in domestics. I can't see any drawbacks to it. You could use a steel retainer that is just as light or lighter than a "conventional" titanium retainer--and have steel's durability, using beehives.</TD></TR></TABLE>
I remember there being a discussion about this design in the old RM forum. I have that forum now, but I don't have time to do a search right now. If you want, you can take a look for yourself. The link to it is in the "home page" part of my profile.
I remember there being a discussion about this design in the old RM forum. I have that forum now, but I don't have time to do a search right now. If you want, you can take a look for yourself. The link to it is in the "home page" part of my profile.
11-27-2006, 07:56 PM
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Re: (Don Lackey)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Don Lackey »</TD></TR><TR><TD CLASS="quote"> Constipation Contraption.
</TD></TR></TABLE>
i hate you.
</TD></TR></TABLE>
i hate you.
11-27-2006, 07:57 PM
#23
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Re: (Combustion Contraption)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Combustion Contraption »</TD></TR><TR><TD CLASS="quote">
i hate you.</TD></TR></TABLE>lol hate is a very strong word
i hate you.</TD></TR></TABLE>lol hate is a very strong word
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