not my valve stem's keeper

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#5 (permalink)

05-20-2017, 06:58 AM

DonC

Senior Club Cobra Member

Join Date: Jun 2003

Location: West Linn, OR

Cobra Make, Engine: ERA #684, 428 FE, TKO600

Posts: 1,378

Not Ranked

I've heard it referred to as valve float. Happens when the cam lobe is trying to open the valve again before it has a chance to fully close.
Late 50's Studebaker Golden Hawk (very fast car) was reputed to suffer from it over 6000 RPM.
DonC

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