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Old 11-23-2007, 09:04 AM   #8
Pampered-Z
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You should check what else make the HO engine. Often the HO builds are more then a cam change, also gets a higher ratio rockers and tuning. I understand the 5.3 can easily make more power with tuning and the torque manangment tunered off. I don't think that cam swap will gain you very much by itself.
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