Re: running plug wires parallel?
[Re: Cab_Burge]
#1081914
09/25/11 01:18 AM
09/25/11 01:18 AM
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Joined: Jun 2003
Posts: 9,225
Charleston
sixpackgut
Drag Week Mod Champion
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Drag Week Mod Champion
Joined: Jun 2003
Posts: 9,225
Charleston
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Quote:
Quote:
Is it true that running your plug wires parallel to each other for any length is bad for the conductivity?
I I don't want any firing issues or spark leaks.
First part, no, not with todays high quality double insulated spark plug wires  On second part put the new wires on and run the motor at night in a dark place and open the hood, when you see spark starting to form a auro(SP?)or illuminate,around the wires or wire holders replace the wires 
couple years ago, after i just put new msd wires on my car, someone here made a post that their new msd wires were arching so i went out to the garage, started the car, turned the lights out and sure enough mine were too. not wire to wire but wire to dipstick tube, valve cover, whatever
Gen 3 power 6.22@110, 9.85@135
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performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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Re: running plug wires parallel?
[Re: sixpackgut]
#1081915
09/25/11 03:17 PM
09/25/11 03:17 PM
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Joined: Jan 2007
Posts: 3,695
nc
emarine01
master
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master
Joined: Jan 2007
Posts: 3,695
nc
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Quote:
Quote:
Quote:
Is it true that running your plug wires parallel to each other for any length is bad for the conductivity?
I I don't want any firing issues or spark leaks.
First part, no, not with todays high quality double insulated spark plug wires On second part put the new wires on and run the motor at night in a dark place and open the hood, when you see spark starting to form a auro(SP?)or illuminate,around the wires or wire holders replace the wires
couple years ago, after i just put new msd wires on my car, someone here made a post that their new msd wires were arching so i went out to the garage, started the car, turned the lights out and sure enough mine were too. not wire to wire but wire to dipstick tube, valve cover, whatever
That was probably me,  Wet racing conditions and running mostly @ night proved to look like July 4th with 2 new MSD wire sets, Mostly plug wire to engine ground, We ran fuel hose over the wires to cut down on arcing and raised the wires off the engine, It helped a lot,
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Re: running plug wires parallel?
[Re: emarine01]
#1081916
09/27/11 01:16 AM
09/27/11 01:16 AM
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Joined: Jul 2003
Posts: 12,132
Cleveland
sunroofgtx
I Live Here
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I Live Here
Joined: Jul 2003
Posts: 12,132
Cleveland
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Lee, just ask here.. They will say. Butttttt. The Top Fuel guys have zero problems wire zipping all 18 Firecore50 s together. You have zero chance of cross-firing with your combo.
Join the quickest team in motorsports. Team FireCore. CustomWiresets.com
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Re: running plug wires parallel?
[Re: fullmetaljacket]
#1081918
09/28/11 09:18 AM
09/28/11 09:18 AM
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Joined: Nov 2004
Posts: 4,330
Lynchburg, VA
Leon441
master
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master
Joined: Nov 2004
Posts: 4,330
Lynchburg, VA
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The wire is not actually running parallel. The physical insulation cord, if you will is. Modern spark plug wires have a core, then the wire is coiled around it. I think this is commonly called spriral core. Then there is a large layer of insulation. So really the wires are not like two solid conducters running in parallel which would cause EMF(Electro-motive-force).
We deal with it all the time on the job. Even with extremely low voltage. A simple 360 degree twist of the pair of conducters every foot minimizes the effects of EMF. Kinda like the old 300 ohm flat tv antenna wire.
Leon
Career best 8.02 @ 169 at 3050# and 10" tires small block power.
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