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05-25-2015, 10:42 PM
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#1 |
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Senior Member
Join Date: May 2010
Location: Between Seattle & Tacoma
Posts: 2,354
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Valve spring pressure
What is the valve spring tension specification? Does anybody ever see spring tension differences, on the springs from Brattons or Snyders or a good quality supplier?thanks chuck
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05-26-2015, 05:19 AM
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#2 |
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Senior Member
Join Date: May 2010
Location: Asheville,NC
Posts: 3,104
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Re: Valve spring pressure
Chuck, I have tested the springs on several engines and new springs from several packs and find some variation in most. They run from 45# all the way to 60# pack to pack. The springs in each pack seem to be within 10% of each other but are different in each pack. I use a Rimac spring tester but have used a scale on my Bridgeport and get similar results.
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05-26-2015, 10:07 AM
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#3 |
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Senior Member
Join Date: Jun 2010
Location: Temecula, CA
Posts: 4,089
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Re: Valve spring pressure
I recommend 40 lbs. on a stock cam, 60 on a mild touting cam. All should be checked.
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05-26-2015, 02:11 PM
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#4 |
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Senior Member
Join Date: May 2010
Location: Between Seattle & Tacoma
Posts: 2,354
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Re: Valve spring pressure
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