valve spring question

pa308

New Member
Jan 26, 2006
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0
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im going to be running motorsport z cam with 1.72 roller rockers on gt40 irons.was wondering what springs il be needing.the heads were on a f/s stock car all stock but have different valves with a 5 angle valve job. im know im up around 593 lift with them rockers and my cam card doesnt say i seen it somewhere before cant remember thanks guys
 
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