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Author Topic: Crane PS91  (Read 509 times)

Jason Goldsack

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Crane PS91
« on: April 29, 2010, 04:26:42 AM »

Guys.. I was having series issue with Eileen the other day. She starting sputtering and dropping a cylinder as I accelerated.

It had to be ignition. I run an old Mallory Hyfire 1A that is triggered from my points. Ic ehcked the points and they are perfect ( now that the Mallory just uses them as switch and no current runs through the points anymore).

I thought maybe the original coil had given up the ghost. The only other thing I had around was a Crane Hyfire PS91 coil that I got as part of a E-Pay deal years ago.

About a half an hour and it was swapped in. Problem solved. The can actually idles better, doesn't smell like exhaust when cold and just runs better.

  • Primary and secondary resistance is 0.43 ohms, 3.0 kohmsUp to 70 percent higher energy at spark plug than stock

  • Primary and secondary inductance is 5.5 mH, 16 HDimension of the coil is 4-1/2" length, 3-1/2" width and

3-1/2" height
  • Turns ratio of the coil is 54:
If you come across one at a swap meet grab one. They are worth the money. But you can't trigger it with your points. You will need an amplifier like a Mallory, MSD or Crane box to fire it.


(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

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