Spark Plug Wire Routing Under the Headers? - Chevy Nova Forum
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Old 13th-June-2010, 07:04 PM   #1
62civa
 
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Spark Plug Wire Routing Under the Headers?

Who here routes their spark plug wires under their headers on their sbc's? Any one have any photos of your setup? What are you using for wire seperators? I just finished doing most of my engine compartment wiring (all most all of it hiden) and I would like to route the plug wires behind the valve covers and under the headers rather than just across the tops of the valve covers. Any ideas would be appreciated!
thanks
Ron
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Old 13th-June-2010, 07:24 PM   #2
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i ran mine under the headers used separators heres a pic
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Old 13th-June-2010, 07:27 PM   #3
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You should of checked out mine yesterday Ron I ran them under my headers.
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Old 13th-June-2010, 07:31 PM   #4
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I have 90* boots pointed down. ran the wires tucked to the block and used a Large metal wire tie bolted to the block on both sides. was real easy and looks clean...
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Old 13th-June-2010, 08:53 PM   #5
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hard to see in pictures but i ran mine down under the headers also.
it's a little bit more work but a lot cleaner.

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Old 13th-June-2010, 09:20 PM   #6
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Doesnt running the wires under the headers heat up the wires and melt them? What are the wires heat resistance rating at? I would assume doing that you run the risk of them pressing against the headers?? ( I have never tried it, so I dont know, im asking )
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Old 13th-June-2010, 09:54 PM   #7
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Quote:
Doesnt running the wires under the headers heat up the wires and melt them?
The way I had mine kept them far away from any tubes--they dropped straight down and looped back behind the engine, away from most exhaust heat. Some headers make it very difficult to run the wires down--on one set, I could only do it to one side.
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Old 13th-June-2010, 09:58 PM   #8
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A couple of tricks to do this and not burn wires. Buy a roll of wire protective sleeve. I use DEI. For the tough wires that never stay were you want them, I used lashing wire. (Wire used to wrap telephone lines from pole to pole) Tape the wire to you spark plug wires with electrical or wire loom tape and then cover with protective sleeve. This way the wire stays in what ever configuration you put them in. I am sure there are many others ways but this one looks good and you don't have to use a bunch of ties etc. to hold them off the headers. I have also modified a set of wire holders (The ones that bolt on with the valve cover) and bolted them to the block were the original shield bolted on under the headers.
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Old 13th-June-2010, 10:46 PM   #9
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Not headers,
this is Innovative63's 65 I did.





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Old 13th-June-2010, 10:49 PM   #10
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just make sure you can remove the distributor cap after all wires are loomed. be a PITA if the wires all need to be removed from cap to get cap off...
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Old 14th-June-2010, 12:04 AM   #11
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i didn't route mine under the headers, but i did use a separator that organizes them and put them along the valve cover and it looks fairly clean. i know the picture doesnt show both sides, but you can use your imagination.

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Old 14th-June-2010, 09:41 AM   #12
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Had them running under the headers from the beginning and had no problems. Used separators to keep it organized.


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Old 14th-June-2010, 02:40 PM   #13
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Thanks everyone for the ideas. Big AL, thanks for including that last photo. I never would have thought of using the motor mount to keep the wires in place. I have to make a trip to my local auto parts store and see what they have for seprator clips. I think I am about a month away from firing the engine
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Old 14th-June-2010, 04:12 PM   #14
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yes, i went down through the motor mount also.
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Old 14th-June-2010, 04:19 PM   #15
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Hey Jim,
Hope you are doing well. Thanks again for the those crimp tools. I use one of them every week at work
Ron
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