Need help with lq4 heads for turbo setup

[snakedoc]

Hello all. I have an lq4 that I bought a while back. It’s a 6.0 LQ4 engine with dished pistons. Replaced the heads with 4.8/5.3 heads. Installed a Stage 2 cam (224/234@.050 .612/638 Lift, 115 degree LSA), high lift dual spring valve springs and hardened pushrods. At the time it was built, I wasn’t thinking about any sort of turbo. And of course, now I want to turbo it. From my understanding (these forums), the 5.3 heads make the compression too high to turbo on pump gas. What head setup would any of you recommend for my turbo application? And would I be able to use the springs and the hardened push rods for the setup you are recommending?

Thanks in advance
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