Jrgunn5150
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Stock PI is plenty for anything under 7000 rpms, or under 600 rwhp
Question?????????
- Thread starter 98mstanggt
- Start date
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98mstanggt
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Well look like I'm going to get the pi intake......... N with the ported pi heads and bigger cams will the stock valve springs, etc work or should I upgrade them...... I'm pretty sure they need to be upgraded though..... Any input??????
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