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From what I understand one of the things that helps make the Racesaver series more affordable is the spec Brodix aluminum head. Aside from being $1200 fully assembled, it uses soft valve springs. Apparently the valves will float at 7000rpm. I can see where that could save the bottom end as well as lower costs by allowing more stock parts to be used in the short block. People say they are getting 2-4 years between rebuilds on these motors. My question is, does floating the valves hurt the valve train itself? I can also see soft valve springs requiring less frequent and less costly head overhauls. Would that be correct?
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