With new plugs and wires numbered, battery removed or both cables disconnected, install HEI with printed guide in front of you, insuring each step is read 3 times, double-checked, before connecting battery.
Connect the green wire to the negative side of the coil.
if it is a hei ignition there is a place on the distributor cap that says tach.
under the rotor on the inside of the distributor cap
Clockwise. The 72 Chevy 350 engine did not come stock with a HEI unit. No matter, the rotor still spins clockwise.
I DON'T KNOW!
yes, as long as the 454 is not a tall deck block.
Stick with the coil recommended by Mallory.
You need to run a switched, full-voltage wire to the "bat" terminal.
12v to HEI connection (+) on distributor. Firing order the same 18436572.
no
On the dist., cap, where the wires go in, there is a tab labeled TACH.
The wires are different - HEI ignition wires won't work in a standard distributor - they all go in the same relative places though.