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Re: eliminating DFM 2020 K1500 Chev 5.3
Posted to Open Discussion Forum on 9/29/2025

Alan,

The only "correct" way is to replace the cam and lifters because the AFN/DFM cams have different lobes on them than the non DFM/AFM cams. Yes there are kits that will turn off the AFM electrically but they do not address the different camshaft lobes. ... Login to read more.