Thread: Why does the acura integra gsr vtec engine have an inner and outter valve spring for the intake?
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Old 18 Apr 2008, 06:31 pm
Derail Derail is offline
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A single spring looses coil tension over the life of the engine. Two springs share the stresses and prolong the action of the springs' performance. And yes, they help to prevent "valve floating" at high RPMs.
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