Go to the boneyard and cut the primary wire connector (coil power and ground plug) off of an H.O. and splice it to your renix coil lead, then you can use the H.O. upgrades.
Steering stabilizers will not cure or cause death wobble, they only mask the real problem that is causing death wobble. Oil pumps do not make pressure, they create flow. Bearing clearence and restrictions make pressure. It's the crank sensor.