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CAM Angle Tuning

Practical Reflash Tuning

Discussion and questions related to the course Reflashing

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I just had some questions regarding Cam Timing. I understand that for the lower rpm range you target a more advanced cam angle, and then as the rpm increases you target a more retarded cam angle. This goes right in line with your explanation with air velocity and how you can increase VE by targeting a more retarded cam angle where air can still be forced in even when the piston is rising.

My question is when Road Tuning I'm sure it's impossible to tune the Cam Angle, so would you just leave it at the stock targets? And when you are adjusting the Cam Angle, is 50 degrees the max it will let you go due to Piston to Valve Clearance?

Thank You