1966 A Code 289 valve spring dimension - Vintage Mustang Forums
 
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post #1 of 4 (permalink) Old 01-27-2019, 04:01 AM Thread Starter
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1966 A Code 289 valve spring dimension

Does anyone know the diameter and lb rating of a standard 289 valve spring?
Thank you
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post #2 of 4 (permalink) Old 01-27-2019, 01:03 PM
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Specs for Sealed Power VS660:


Max Outside Diameter1.225
Wire Diameter0.17
Total Coils6.5
Solid Height1.105
Closed Height1.64
Closed Pressure (Lbs)60
Open Height1.25
Open Pressure (Lbs)166
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post #3 of 4 (permalink) Old 01-27-2019, 08:56 PM
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From the shop manual...

Valve Spring Free Length: 2.09"
Spring Pressures:
71-79# @ 1.78"
Wear Limit 64# @ 1.78"
161-177# @ 1.39"
Wear Limit 145# @ 1.39"
Assembled Height = 1.75 - 1.78125"

Bart

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- Alfred E. Neuman

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post #4 of 4 (permalink) Old 01-27-2019, 10:30 PM
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That is a loaded question because the springs changed from '66 Engine Change Level 9 to '66 Engine Change Level 10 (same used from L10 - L14 I believe).

floovb, floovb, vwomp, vwomp (sound of a bad tire driving)
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