I have a 2004 g35 coupe with a built engine and a stillen supercharger. The car was in an accident and the shells pretty messed up but the engines fine. I have a 2008 g37 coupe. I was wondering if it’s possible to swap my built engine to the g37 shell. Any info would be much appreciated. Thanks in advanced!

 

that might be a bit difficult. Mounts do actually bolt up, its everything else that's a pain. HR and VHR are actually easier to swap than DE->HR/VHR, or in your case HR/VHR -> DE.
I've had some discussions with the guys at Hexa garage about a DE/VHR swap, I would recommend reaching out to them for some input. Likewise Guitly Garage, they also have experience with DE/VHR swaps. Call them up and ask.
https://www.hexagarage.com/
https://guilty-garage.com/