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Old 08-27-2016, 02:00 PM
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Default AFM Deactivation

Is it OK to simply deactivate the AFM, or is it necessary to do the AFM swap out (cam, lifters, lifter guides, etc)? And why?

Thanks guys!
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Old 08-27-2016, 04:28 PM
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You can deactivate it. I have a friend who did this on his silverado. The bigger issue is the fact that those junky lifters are still in there. I have this feature on my 12' silverado, and even though it helps out on mileage, I'd love to do the swap (cam, lifters, valley cover), just to ensure that the DOD (AFM) lifters don't come apart and tear up a perfectly good engine. Lots of them do.
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Old 09-01-2016, 10:17 AM
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Quote:
Originally Posted by Che70velle View Post
You can deactivate it. I have a friend who did this on his silverado. The bigger issue is the fact that those junky lifters are still in there. I have this feature on my 12' silverado, and even though it helps out on mileage, I'd love to do the swap (cam, lifters, valley cover), just to ensure that the DOD (AFM) lifters don't come apart and tear up a perfectly good engine. Lots of them do.
+1, this
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