an alternative to stiffer springs on the valve side would be to adapt an Isky Rev Kit
http://www.iskycams.com/cart/rev-kits-c-49.html
this provides better control of the lifters while adding precisely zero additional stress to pushrods and rockers.
the only reason i even know that Rev Kits exist is because an old timer mentioned using these to build a high reving 322 back in the late 50s.
The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
Vladimir Lenin
Government schooling is about "the perfect organization of the hive."
H.H. Goddard, Human Efficiency (1920)
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