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Zabo · 03-07-2009, 12:18 AM

How does the AFM work? Is the crank split when the cylinders shut off, or is the EFI and valves deactivated in the valvetrain and fuel delivery system during AFM mode? If so it'd just be a valvetrain swap, and ECM recalibration as you said, correct?

03-07-2009, 12:18 AM	#8
Zabo Gunning for Sixth Drives: '03 ZR2 Blazer Join Date: Sep 2008 Location: Woodhaven, Michigan Posts: 9,358 View My Garage	How does the AFM work? Is the crank split when the cylinders shut off, or is the EFI and valves deactivated in the valvetrain and fuel delivery system during AFM mode? If so it'd just be a valvetrain swap, and ECM recalibration as you said, correct?