Gen III 5.3 To Gen IV 6.0 (LY6) 2004 Avalanche

[spacediver]

I purchased one of the 6.0 engines (LY6). The question I do have is about the VVT. I purchased this motor as a drop in replacement for my 2004 Avalanche. I thought I had all my bases covered like the need for the 58x to 24x converter, Knock sensor harness 2 into 1 extender and the fuel injector adaptor harness. I didn’t however even think about the VVT. The E-38 ECM is a totally new computer that operates this system and the PCM the 2004 truck is totally different. My research has l lead me to believe that the only way to make this work is to lose the VVT and swap some stuff around and basically convert to an LS3. The primary concern is this is my daily driver and I want all my instruments and gauges to function correctly.
Does anyone have any suggestions?

[retrolsx]

if you plan to reuse the older ECM you have to drop the VVT.... the older 24x can use the modern VVT set up

[MargeWarm]

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