Originally Posted by ILuvItTheJDM
Can you think of any four-cam engines currently in production? I'm still puzzled as to why they would go with four instead of two. But then I'm not a mechanical engineer.
There are more tuning capabilities for having a different cam for each set of intake and exhaust valves...you can tune more to make power. They are more efficient in terms of gas mileage due to being able to more precisely control when the valves open and close, and how much.
Any Dual Overhead Cam Engine that is a V will have four cams. DOHC Cobra motors, 350z/G35, etc.
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