Read this:
http://www.twinturbo.net/ttnet....aspx
Advisable to do the coolant hose bypass while it's off. Buy only the Nissan plenum gasket, reseal the lower cam covers as they always leak, test the injectors while it's off, grind the plenum so injector changes can be done without future plenum pull.
Have fun, just go slow, label all the hoses, take photos, make notes