ballast resistor - Team Camaro Tech
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post #1 of 8 (permalink) Old Feb 27th, 06, 07:30 PM Thread Starter
 
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ballast resistor

About to install a Pertronix Ignitor in the '69.... Is the ballast resistor there to save the points from burning out, or does it protect the coil? Wondering if I remove it, will the coil eventually fail?

Thanks
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post #2 of 8 (permalink) Old Feb 27th, 06, 07:47 PM
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Re: ballast resistor

I had a problem recently. Lets start from the beginning. I had points and stock stuff, so I replaced the points with an optical pickup, it said I needed a balast resistor, so I bought one. Well my car wouldnt run. Reason being, before I was only getting 6 volts to the coil when the car was started, therefore when I put the balast resistor there I was only getting 3 volts, not a enough for that optical pickup. The resistor is there to give you 6 volts with that optical pickup, if you are using the stock distributor. Correct me if I am wrong guys. With the pertronix, you dont need the balast resistor there.

Rick
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post #3 of 8 (permalink) Old Feb 27th, 06, 08:01 PM
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Wes
 
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Re: ballast resistor

Your 69 has a "resistor wire" that reduces the voltage,..it's the white wire that has a sort of cotton insulation that attaches to the positive terminal of your coil.

Some remove this wire and replace with 12g wire (white) from the coil to the "ignition" port on your fuse box. Others run the resistor wire without problems.

I'd do what Pertronix recommends.
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post #4 of 8 (permalink) Old Feb 27th, 06, 08:07 PM
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Jim
 
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Re: ballast resistor

Quote:
Originally Posted by Straight-line-69
I'd do what Pertronix recommends.
When in doubt read the directions.





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post #5 of 8 (permalink) Old Feb 27th, 06, 08:11 PM
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Re: ballast resistor

In the installation instructions it tells you to leave the ballast resistor there if there was one there previously. There was a post on the Pertronix Ignitor a few weeks ago where someone was asking if you need to run a 12 volt source to the coil for it to work properly. My guess is no and that it will work with the resistor wire or ballast in place. I tried to reach someone in the Pertronix technical department to confirm this, with no luck.

67 RS Camaro 327/ 350 Holley 650cfm > Edelbrock Performer Intake > Pertronix Ignition > Accel Super Stock Coil and Wires > Hedman Hedders > Hotchkis Performance Springs > 15" Rallys all around


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post #6 of 8 (permalink) Old Feb 27th, 06, 08:43 PM
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E.J.
 
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Re: ballast resistor

I have the pertronix, the ballast resistor, and MSD 6. It works perfectly. Yes the cotton covered wire is still there and goes to the MSD. Use a volt meter, key on on all connections.
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post #7 of 8 (permalink) Old Mar 1st, 06, 12:10 PM
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Re: ballast resistor

On a breaker point ignition system, if you remove the ballast resistor, the coil will overheat with time. The case may buldge out, the top insulator may crack and eventually it will electrically open inside.

Dave
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post #8 of 8 (permalink) Old Mar 1st, 06, 07:17 PM Thread Starter
 
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Re: ballast resistor

Ok, next question: when converting a dual point to Pertronix, does it matter which position (where the points were) that the module is mounted ? There's obviously two choices, wondering .....
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