I kept a Carter AFB off a truck I recently sold and since it has a front port for a pcv I installed it tonight and its back to where it was before the valve cover change,dont know if its jetted richer or shortening the hose for the pcv but its back and running great. Now its time to put the electronic ignition back on,if I only known it had a adjustable vacumn advance when I took it back out I could of had it set right. I robbed the vacumn advance for the distributor in my sunliner so I had to order another tonight and need to make up another harness since I used the one I made for the 65 on my 66 F250 when the 460 went in.