resistance wire - Team Camaro Tech
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post #1 of 3 (permalink) Old Feb 26th, 04, 04:38 PM Thread Starter
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Join Date: Oct 2001
Location: clawson,mi usa
Posts: 100

im goining to replace the wires on the firewall loom, i was wondering if its critical to replace the resistance wire with resistance wire or can i use plain wire. thanks
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post #2 of 3 (permalink) Old Feb 26th, 04, 05:16 PM
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Join Date: Dec 2002
Location: back in the Hew-Hess-Hay
Posts: 5,879

If you are using a points distributor replace it with a resistor wire or add in a ballast resistor. If you don't you will burn up points. If you are using an HEI, replace it with plain wire.

Jon N

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post #3 of 3 (permalink) Old Feb 26th, 04, 07:41 PM
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Join Date: Mar 2002
Location: Austin, TX, USA
Posts: 5,277

A good approach to this is to snip the resistor wire 3 or 4 inches from the fireall connector. Then crimp on a butt splice. On the other side of the splice crimp the resistor wire and copper wire in paralell. On the ignition end of things, install a female bullet connector on each wire. Then you will have both a resistance wire and solid wire for either ignition system without the need for a ballast resistor. Just install a male bullet connector on the coil wire and plug it into the appropriate source.

It is a good idea to pack the butt splice with dialectric grease and put a long piece of heat shrink tubing around it to protect it from water and dirt. I like to use uninsulated butt splices for this since they aren't as bulky and get covered with heat string anyway.

I can tell you that attempting to reuse the old connector pin by removing the wire and recrimping or solding a copper wire doesn't work well. It is difficult or impossible to obtain enough metal on the connector to crip a new wire to. And solder just don't stick to those old brass terminals. It's better to cut and crimp a short distance from the firewall connector. Those few inches of wire will provide minimal resistance.

68 Coupe, 350 w/ Edelbrock Performer RPM heads, cam, intake, 700R4, Dave's small body HEI
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