Same route as the old line - through the existing drivers side firewall grommet, along the underside of the front fender, then down the inner fender well to the front/drivers side of the block. My line terminates at the adaptor plate for the remote
oil filter lines at the lower front/drivers side of the (427) block.
If you have to go across the front of the block to the passenger side (per your post), you may want to add more length.