Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - dual pattern vs singel pattern
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Old 01-19-2005, 04:34 PM
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A dual pattern cam is better for a motor that has heads that dont flow exceptionally well on the exhaust side. It allows a little more lift and duration on the exhaust side to make up for the flow on the exhaust side of the heads. If you have a head that flows really well ( a ported an polished aftermarket head) the motor doesnt need the extra lift and duration, so a single pattern works better. I would consider the XE274H cam.

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