Big rig traveling from PV to Puerto Escondido advice

Since no one else has responded so far I'll chime in with some second hand comments. A couple of rigs have just arrived in Zihuatanejo from Lo de Marcos, I'll see if I can get one of them to comment.

I have heard that the highway south of Zihuatanejo is good in parts and terrible in parts. Nothing further.

We may be heading north from here on Thursday (9th) to overnight at Coconutz RV Park at Cuyutlan, just north of Tecoman. -- a couple of hours south of San Patricio de Melaqui.