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Old 01-12-2012, 05:50 PM
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Ignition wire length

Bought a set of beside the valve cover aluminum wire looms for my 400 sbc from Skip White.

Before I buy new HEI wires, I would like to know which are longer (or would be best) for threading behind the heads and thru the looms: over valve cover, under header, or cut to fit universal.

Leaning towards Taylor 90 degree HEI wires with the double clip plug ends.

Have followed your website for years, finally decided to join.

Thanks for any help you can give me.

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Old 01-13-2012, 01:27 AM
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Universal should be longer.
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Old 01-13-2012, 06:44 AM
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Like Sedan sez-universal. You always end up with weird sizes that don't work for squat with the pre-cuts. I have been buying the universals and running my wires behind the valve covers and under the headers on SBCs with no problems .
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Old 01-13-2012, 10:44 AM
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Some fellows will recommend separating the wires from each other by about an inch to prevent transient spark from one wire to the other, causing a mis-fire. Also, using a material such as wood or plastic that will not transfer current will make a better separating medium than metal stands.
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Old 01-13-2012, 12:43 PM
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Quote:
Originally Posted by techinspector1
Some fellows will recommend separating the wires from each other by about an inch to prevent transient spark from one wire to the other, causing a mis-fire. Also, using a material such as wood or plastic that will not transfer current will make a better separating medium than metal stands.
On a chevy you still have to cross some wires somewhere!
Usually on top of the cap....
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Old 01-13-2012, 12:48 PM
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Anytime you run custom looms universal is the way to go,in most cases you will need that extra length.
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Old 01-13-2012, 01:00 PM
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Universal Taylor Spiral-Pro in Made-For-You nylon looms. There was probably enough wire left for a couple of 6 cyl engines
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Old 01-14-2012, 10:59 AM
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Ignition wire length

Thanks all for your answers.

Appears my best bet is to buy a set of universal Taylor wires and custom cut
and fit.

I am not worried about crossfire between cylinders, as I also bought a set of Skip White chromed plastic seperators which came with 4- 4 hole dividers for near the cap and around the back of the cylinder heads.
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