Dual valve spring question....
08-16-2007, 11:55 PM
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Dual valve spring question.... I guess im not exactly sure what the difference is between single and dual valve springs. Im assuming the dual springs are rated at a higher lift?? Do they look different than single springs??
08-17-2007, 07:42 AM
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Duals add another layer of security because the chances of breaking both springs is slim. However, the inner spring is usually quite weak, so you can still very easily get P-t-V contact.
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08-18-2007, 07:57 AM
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Originally Posted by ws6_bandit
I see. So the TR 230, being a "lower lift" cam, would be safe with single springs. btw its a .575/563.
