[68 P.O.S.]

Good deal on the pertronix

Good thing you have the cal kit. You can wait on changing rods and jets until you get the overheating under control. You can change step-up springs now. With your vac level you'll need the plain colored springs. Squaring the transfer slots is essential for proper carb operation.

For the heat, the intake manifold hose goes to the bottom heater core inlet, and the water pump return line goes to the upper heater core outlet.