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· Registered
1,502 Posts
This is basic stuff, but it never hurts to ask:

How did you break-in the cam, and what kind of oil did you use during break-in and since then?

Wth the current cam's .505"/.526" valve lift, do the springs have another .050" safety margin until coil bind, and is there similar retainer to seal clearance?

Are you running 1.5 or 1.6 rocker arms?
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