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Carb 12 volt solenoid cut off and Pertronix 91845 kit
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narrowfarm
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Joined: June 06, 2012
Posts: 108
Location: NY
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PostPosted: Fri Nov 16, 2018 3:38 pm    Post subject: Carb 12 volt solenoid cut off and Pertronix 91845 kit Reply with quote

Hello my 1966 1300cc car has always run good till the other day. I installed a new Pertronix 91845 kit in it after I accidently swapped the wires on my Pertronix 1845 kit that I had for years and fried the Pertronix 1845 kit.
Installation was very easy for the Pertronix 91845 kit and the car started right up again.
After a week ,my car runs like its firing on two cylinders, misses and is not good like before. Valves were just checked, Carb is Euromax Solex 30 PICT-1 .
I had the engine off and On the carb I disconnected the solenoid cut off switch . The car started right up but again ran terrible. I didn't think the car would start with that solenoid cut off wire disconnected. I took the carb off, which is very clean and tested the solenoid cut off switch at my bench with a 12 volt power supply. After a couple of tries with 12 volts the solenoid cut off started to responds. I may replace the solenoid cut off switch because when I first tried I didn't like the response.
My question can the car run with out the cut off switch????
My original thought was the new Pertronix 91845 kit that was just installed as a problem . ANY THOUGHTS???
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narrowfarm
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Joined: June 06, 2012
Posts: 108
Location: NY
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PostPosted: Sun Nov 18, 2018 5:24 pm    Post subject: Re: Carb 12 volt solenoid cut off and Pertronix 91845 kit Reply with quote

to answer my own question ,the car will run with a faulty idle cut off switch but not idle correct. Also found a bad spark plug.Replaced all4 now runs good again !
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herbie1200
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Joined: April 27, 2006
Posts: 832
Location: Rome - Italy
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PostPosted: Tue Dec 04, 2018 12:45 am    Post subject: Re: Carb 12 volt solenoid cut off and Pertronix 91845 kit Reply with quote

The cut-off is there only to ensure a engine switch off that in some extreme hot conditions could run as a diesel, the ignition is given by high spark plug temperature.

Normal users turn engine off when idling so the cut-off is only on the idling path.
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