[solidaxle]

Mine were carboned up like yours. I removed the small air cleaner elements that were restricting the flow. It also appeared there was not enough clearance between the aircleaner base and cover so I drilled holes in the base for more air flow and left the filters out.

Installed Pertronix ignition and retimed with a light and vacuum gauge. It now runs a little lean. I need to bump up the jet size.