Dual Coil Distributor Cap

Harmon collins dual coil crab distributor.

Dual coil distributor cap.

By the dawn of the 1950 s the top dogs at the dry lakes were using systems like. Pontiac 350 389 400 45 5 small cap red hei distributor 60k coil plug wire set. Line up the rotor so that it. Pull the coil wire out of the distributor cap and get it to where you can jump a spark to ground with it.

Both distributors use an internal module that is mounted underneath the reluctor assembly. If you do then the coil and coil wire. The hei cap measures 5 25 inches in diameter whereas the dual power measures 4 inches. Volt coil as well.

I would beat 2 7 liter cars all the time. Dual point distributor installation step 5 remove the cap from the mallory distributor. This aligned the new piece while the epoxy cured after the first application of the jb weld epoxy the. I had a extra cap that i cut a tower off of and filed it to fit the h c cap as best i could.

The torque was astounding. I dyno ed the car and with 2 4 liters it put out 200 hp at the rear wheels and 125 with just one plug running. Rapidly tap the 24 wire to ground. This will fire the coil.

You should get a 1 4 to 3 8 spark out of the high voltage coil wire to ground. Yet another quantum leap would have been doing this again with a dual point dual coil distributor and adding the larger coils as well. Turn the ignition to the on position. Remove distributor primary wire connected from distributor to negative terminal of coil.

While the hei cap houses the coil the smaller dual power distributor utilizes an external coil. Mallory beltdrive replacement belt fits distributor kits 650 20900 and 650 20901. I made a nylon plug to fit the wire terminal and what was left of the broken tower of the h c cap. Used mallory yc 310 hp double life distributor chevy v8 dual points 283 327 4 out of 5 stars 1 1 product ratings used mallory yc 310 hp double life distributor chevy v8 dual points 283 327.

That probably would have been a quantum jump over 6 volt performance. The problem was the 2000 cost of a factory 12 plug distributor so i designed this unit for two 6 cylinder caps.