Edelbrock head valve spring assembly

Since the skinny shims that came on my Eddies, couldn't survive my 292/509([email protected]) cam, Ima thinkin,they (the springs and seat-shims) were just not up to the task that they were rated to.
When I put the Hughes HE2430 in,( .538/[email protected]), I swapped to their springs and specs.
Later when I swapped in the HE3038,(.549/[email protected]),now the current cam I just threw some extra shimmage in there, since I had the headroom as to coilbind. I didn't even bother to measure.Call me lazy,call me foolhardy,call me anything you like, just don't call me late to dinner... They been in there for 10 years now, and about 100,000miles. Never been apart since.