valve springs

Old 08-05-2008, 08:57 AM
  #1  
promodjohn
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Default valve springs

I sold everything and stopped racing 6 years ago,well I have had a new round tube moly car built.I am now gathering parts to build a new motor my plan is to build a 632" merlin 10.2 with 18* big chiefs.

My question is this, I always used K-motion valve springs on my motors in the past but it seems no one is using them anymore and Iam wondering why? Whats your opinion?
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Old 08-05-2008, 09:22 AM
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zipper06
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I think a lot of racers are liking the PSI springs, i know i do also the Nextex springs are high on the list.


JMO


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Old 08-05-2008, 12:04 PM
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jmarksdragster
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PAC or PSI are the best choices. Ed Wilson/Ed-Vanced is a PAC dealer and can get you what you need.
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Old 08-05-2008, 01:16 PM
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racecrafter
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sounds like we are building a similar motor to what I have run and am in the process of rebuilding...you didn't say how tight you intend to turn it, or what the cam profile is going to be like.
But I like Pac(pacaloy), PSI, nextek, vasco jet(lots of brands wound with this material). pretty much in that order.

Are you going to spray that bad boy?
what tranny?
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Old 08-05-2008, 02:04 PM
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promodjohn
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Originally Posted by racecrafter
sounds like we are building a similar motor to what I have run and am in the process of rebuilding...you didn't say how tight you intend to turn it, or what the cam profile is going to be like.
But I like Pac(pacaloy), PSI, nextek, vasco jet(lots of brands wound with this material). pretty much in that order.

Are you going to spray that bad boy?
what tranny?
No spray,I have the trans its a BTE 180 strait cut gear glide no converter yet.
cam will be .850 lift or there abouts still talking to engine builder about that.

Car should weight about 2700 pounds with me in it I weight 200 I will not let it go beyond 2750.
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Old 08-05-2008, 03:04 PM
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hammertime
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I like the Manley Nexteks have worked very well for me
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Old 08-20-2008, 07:14 PM
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cncmotorsports
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Manley Nexteks are pretty hard to beat
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Old 08-21-2008, 05:40 AM
  #8  
gimmemud
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I run the pac #1355 springs on mine and had a couple of them break recently. There was no apparent reason they broke, they were installed within their guidelines. I called and talked to PAC and told them the problem I was having and they sent me a complete new set, without question, now is that customer service or what. I will never buy a different brand spring again.
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Old 08-21-2008, 10:23 AM
  #9  
bjuice
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Default Re: valve springs

Originally Posted by promodjohn
I sold everything and stopped racing 6 years ago,well I have had a new round tube moly car built.I am now gathering parts to build a new motor my plan is to build a 632" merlin 10.2 with 18* big chiefs.

My question is this, I always used K-motion valve springs on my motors in the past but it seems no one is using them anymore and Iam wondering why? Whats your opinion?

i DON'T think you would be shooting yourself in the foot if you used the k-motion..i have used them in the past on High hp blown motors...no problems..

of course this is my opinion only
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