Replacing Head Gaskets Pull Motor

[Ninjazx71]

Hey guys... with winter here I'm looking at what to take on for maintenance/upgrades to the viper while it's in hibernation. Looking to change out the head, valve cover and exhaust gaskets over the winter, along with doing head studs for extra peace of mind when running the nitrous. My question is... can you tear down all the way to the head gaskets without having to pull the motor? I talked to a few people who said yes, and others that didn't necessarily say "no" but asked why I wouldn't just pull the motor. Well... I don't have all the room, nor the tools to pull the motor. Looking for some other input before I decide what route to take.

[pokeyl]

Easy to pull the heads off with the motor in the car.