Here's an example from mine with aluminum heads. Your Vortec heads will want a little different ramp. HTH
Note: I'm idling at ~850 RPM in Open Loop with this cam (I'm sure I could get it to run in CL but, I'm lazy). That's why the lower end of MAP/SA is flattened. Usually at ~55 - 65 MAP.
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Note: I'm idling at ~850 RPM in Open Loop with this cam (I'm sure I could get it to run in CL but, I'm lazy). That's why the lower end of MAP/SA is flattened. Usually at ~55 - 65 MAP.