Technical > Spud Miller's Cave

Check valves and vibration

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BK:
Spud,
 What are your thoughts about isolating your check valves from engine vibration. Is it necessary? 

Spud Miller:

 An idle or main check valve is open all the time anyway. A pump saver is set so high (130+) that it isn't going to open from vibration. A Secondary is ineffectual at wide open throttle. The only one I might worry about is a high-speed lean out set under 60 PSI. I think a vibration problem is pretty rare, but I have heard of them.

 Spud

 

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