
09-13-2009, 05:33 AM
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CC Member
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Join Date: Aug 2007
Cobra Make, Engine: 31XX Car
Posts: 374
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Not Ranked
springs
400 lb open is way too low for that roller cam with steel valves, especially if with steel retainers, heavy aftermarket roller rockers, etc. That would even be marginal with titanium valves. Almost guaranteed that is the problem.
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