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Old 09-16-2010, 08:33 PM
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HEI distibutor

Now that i have an Hei distributor in my bbc in my 64 impala, what do i do with the wire that hooked to the coil?
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Old 09-16-2010, 09:02 PM
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my KARMA ran over my DOGMA
 

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IMHO tape it off. Run a fused 10-12 gage wire dirct from the battery through a toggle switch mounted in dash area, then to the battery connection on the HEI. This is your new kill switch. Or get fancy and relay the heavy gage wire, relay coil is pulled in by the existing coil wire which is key switched, relay contact switches heavy gage to HEI.
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Old 09-16-2010, 09:03 PM
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How r things in sunny FLA ?
Read this site and put it in your favs, Bob.
http://www.oldengine.org/unfaq/hei.htm
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Old 09-16-2010, 09:12 PM
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Good link bob must have been wrote by a canadian:

Quote:
12guage wire (pink insulated if you want to remain factory compliant) and hook it up to the HEI "BAT" terminal. Thats it! Easy, Eh?
Its cold here, plugging in tonight Below 0,,,sorry 32
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Old 09-16-2010, 11:51 PM
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Here's another good HEI link with "wiring diagram" >> http://rmcavoy.freeshell.org/HEI.html
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Old 09-17-2010, 05:30 PM
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Quote:
Originally Posted by SSedan64
Here's another good HEI link with "wiring diagram" >> http://rmcavoy.freeshell.org/HEI.html
Great link. I saved that one also.
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Old 09-17-2010, 05:52 PM
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Quote:
Originally Posted by Custom10
Or get fancy and relay the heavy gage wire, relay coil is pulled in by the existing coil wire which is key switched, relay contact switches heavy gage to HEI.
Just a question about that configuration. If the existing coil wire is a resistance wire, could it reduce voltage to the relay after the wire heats up and drop the relay out of the circuit? What I don't know is....does it take 12v all the time to retain the relay or will it operate on 6v too?

When I have done this in the past, I have run a new 12 gauge wire from the start/run post on the starter switch and removed the resistance wire altogether.
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Old 09-17-2010, 06:19 PM
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Tech1, all the relay Specs. I've looked at say "Permissible operating voltage" = 8-16V. If run with the resistor wire @about 9V it would be close to the lower limit. I don't know if it would shorten coil or contact life or not.
Example >> http://order.waytekwire.com/DATASHEET/75401.pdf
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Old 09-17-2010, 06:25 PM
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If the old system used resistance wire instead of a resistor to lower the voltage to the coil once the motor was running to save the life of the coil. I would think that the resistance wire should be removed and replaced with primary wire,as the HEI will want the full voltage to run it;s best.
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Old 09-18-2010, 09:13 PM
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thanks for the replies guys.
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Old 09-24-2010, 06:04 PM
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maybe its just not sinking in but i looked at the links that you guys have posted and got a question. It says in one that just trace the two wires that supply the coil with power(cranking 12volts and low voltage resistance),and basically eliminate them and replace the resistance wire with a 12 guage wire. From what i got was that you just run a new 12 guage wire from where the resistance wire was hooked up to the fuse block or bulkhead?
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Old 09-24-2010, 06:53 PM
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Close but may not be exact. Some cars wiring frokm the column may supply 2 feeds, The feed to the resistor or resistor wire will be on when the key is in the run position. And may not be on when in the crank position
When the key is turned to the crank position , juice may be supplied to the coil bypassing the resistor. to give full 12v to the coil. When u let go of the key the juice is removed from that feed and the juice is continued to be applied to the resistor.
That wqas the case with me. I had wired the column myself and had the two ignition feeds reversed. Therefore when I converted to HEI the car cranked but would not start. However when letting go of the key and the engine spinning to a stop it fired. After a couple of tries I figured it out and switched the terminals.
You can meter it out with a voltmeter and use the feed thats on all the time. You could also use both wires for the feed.Just eliminate the resstor. And u don't need the extra wire at the starter.
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Old 09-24-2010, 10:00 PM
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here is a photo i took. I do not know what this thing is that the wires is hooked to, it has two wires that are hooked to left side of it that are coming from the starter but are tied together as one wire, the other side of this thing has the wire that went to the old coil for the points distributor. Anyway couldnt i just eliminate these wires ? i found the 12 volt source for cranking but not confident in poking around in the electrical system. i am not a mechanic and do appreciate the responses but i do not want to go poking and then when its time to fire it up have electrical bugs. Thanks again
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Old 09-25-2010, 01:46 AM
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That is a ceramic Ballast Resistor, it does the same thing as a Resistor wire. It's not needed for HEI.
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Old 09-25-2010, 07:53 AM
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oh ok. So now bare with me. The wire coming into the ceramic ballast is wired to the post furthest post on the starter solenoid. If I just get rid of the ballast would that wire have caonstant 12v? I know i will have to get a voltmeter to check but just curious if you may know off hand.The post thats close to the block is being run directly into the dash havent decifered exactly what it goes to but am assuming its the other lead to the ignition? I am sorry for being ignorant about the wiring but just figured I'd ask you all who have all the expierence.
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