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12-15-2023, 10:25 AM
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#1 |
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Junior Member
Join Date: Feb 2003
Location: P.Q.
Posts: 66
Likes: 1
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SS/valves springs
Time to replace valves springs. Plan on PSI DR424RML. SBC, SS engine iron head. What are yours tought ?
Thank You! |
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12-15-2023, 04:45 PM
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#3 |
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Junior Member
Join Date: Oct 2011
Location: Hays, Kansas
Posts: 54
Likes: 12
Liked 35 Times in 16 Posts
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Re: SS/valves springs
I use a PAC 1356 on all new heads or freshens I do. On my personal engine I used a Manley 221420 but set them up taller because I have more lift.
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12-16-2023, 07:54 AM
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#4 | |
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Junior Member
Join Date: Jul 2022
Posts: 59
Likes: 16
Liked 44 Times in 19 Posts
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Re: SS/valves springs
Quote:
Valve weight ? Lobe duration @ .020" minus lobe duration @ .050" = ? Rocker ratio ? Peak rpm @ the stripe ? |
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12-16-2023, 10:28 AM
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#5 |
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Junior Member
Join Date: Feb 2003
Location: P.Q.
Posts: 66
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Re: SS/valves springs
You have PM
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12-16-2023, 11:02 AM
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#6 | |
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Junior Member
Join Date: Feb 2003
Location: P.Q.
Posts: 66
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Re: SS/valves springs
Quote:
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12-16-2023, 11:19 AM
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#7 | |
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Junior Member
Join Date: Jul 2022
Posts: 59
Likes: 16
Liked 44 Times in 19 Posts
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Re: SS/valves springs
Quote:
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12-21-2023, 10:14 AM
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#8 | |
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Junior Member
Join Date: Jul 2022
Posts: 4
Likes: 20
Liked 18 Times in 3 Posts
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Re: SS/valves springs
Quote:
Feel free to share specs or call in for a recommendation. 866-799-9417 or 248-621-0480 |
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12-21-2023, 10:22 AM
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#9 |
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Live Reporter
Join Date: Oct 2004
Location: Hickory, Ky
Posts: 10,281
Likes: 1,637
Liked 9,456 Times in 1,957 Posts
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Re: SS/valves springs
^^^^^^^^^^^^ Matt is always very helpful!
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