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| | | Supreme Being
Group: Forum Members
Last Login: Monday, October 06, 2008 4:31 AM
Posts: 202, Visits: 519 |
| I had an old rally pack from an early mustang hanging around and wanted to try it on my 55, however, every time I tried to hook it up it would kill the car. I have petronics, is this a problem and does it have to run behind points???
 55 Vicky & customline 58 Rack Dump 55 F350 yard truck 57 F100 59 & 61 P 400's |
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| | | Supreme Being
Group: Moderators
Last Login: Today @ 4:15 AM
Posts: 897, Visits: 2,774 |
| | Bill: The old Rally Pack tachs are different from the run of the mill aftermarket ones. They have to be wired in series with the coil, not parallel. I doubt if they will work with a Pertronix because the current in the coil circuit is so low with the electronic ignition. Probably better to sell the Rally Pack to a Mustang guy and buy several modern tachs with the money. John in Selma, IN
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