You really don't want to try removing the whole system with the engine in place and needing the car as a daily...
I've never had a serious problem getting injectors out, a bit of twisting and a touch of careful prybar had them all out in under half an hour every time.
I've never had a serious problem getting injectors out, a bit of twisting and a touch of careful prybar had them all out in under half an hour every time.