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Head clearence questions

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Old 09-23-2007, 10:25 AM
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Default Head clearence questions

DOes anyone know the max valve lift that you can have with stock heads. I wanto mill them, but i dont wanto start running into issues...
Old 09-23-2007, 03:11 PM
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I had this same question when I bought my cam. I bought an F15 .600"/.611" and I called Futral motorsports. They told me that as long as everything was still stock, heads( no milling), valves, and the gasket than I should't have any problems. They strongly recommended flycutting my pistons though because it was going to leave me with the minimal PTV clearance.
Old 09-23-2007, 03:54 PM
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valve lift is not the only thing that can cause PTV issues duration and icl and lsa all play a role. what is the cam's specs that your looking at?




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