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  #1  
Old 01-11-2018, 09:29 PM
longline longline is offline
 
Join Date: Sep 2014
Location: silverdale, WA
Posts: 206
Default Pmag Ignition Harness

I am about to build the ignition harness for my dual Pmag equipped parallel valve O-360. I know that the NGK plugs that are recommended, BR8-ES, are resistor plugs.
What type of wire is used? I would think that we should avoid the wire core wires, because of RFI.
I see 7MM and 8MM wires available. Which is recommended?

Thanks
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  #2  
Old 01-12-2018, 05:15 AM
Larry DeCamp's Avatar
Larry DeCamp Larry DeCamp is offline
 
Join Date: Apr 2010
Location: Clinton, Indiana
Posts: 685
Default Pmag wire

I got Wire , boots and terminals and pliers from Brad.
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RV-3B flying w/ carb & Pmags
RV-4 fastback w/ Superior EXP 0360 /AFP & CPI
Clinton, IN
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  #3  
Old 01-12-2018, 05:55 AM
KatanaPilot KatanaPilot is offline
 
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Location: Locust Grove, GA
Posts: 396
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Quote:
Originally Posted by longline View Post
I am about to build the ignition harness for my dual Pmag equipped parallel valve O-360. I know that the NGK plugs that are recommended, BR8-ES, are resistor plugs.
What type of wire is used? I would think that we should avoid the wire core wires, because of RFI.
I see 7MM and 8MM wires available. Which is recommended?

Thanks
I have two sets of pre-terminated 4 cylinder wires that have only been used for the test stand runs of my engine. They are the E-Mag OEM wires that come with the P-Mags. If you buy them from E-Mag they are $75 each, I will sell you mine for $40 each including shipping.

I changed my wires out because we wanted blue wires to coordinate with the engine and airplane paint colors. Yes, I know my OCPD is showing
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Locust Grove, GA
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  #4  
Old 01-12-2018, 07:43 AM
mike newall's Avatar
mike newall mike newall is offline
 
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Location: Yorkshire, England
Posts: 1,682
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Ditto........

Not worth the grief. Let the guys who do this time and time again do it for you. No shorts, no tracking and they fit first time.
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  #5  
Old 01-12-2018, 07:49 AM
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Toobuilder Toobuilder is offline
 
Join Date: Jul 2009
Location: Mojave
Posts: 4,114
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Resistor wire is what you want, and that stuff is available in bulk in a myriad of colors and diameters from any online auto parts house. I typically get my supplies from Summit Racing.

You are certainly right to be cautious about RFI. Pmags do not handle it well, and the only malfunction I've ever had was because I installed non resistor plugs.
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WARNING! Incorrect design and/or fabrication of aircraft and/or components may result in injury or death. Information presented in this post is based on my own experience - Reader has sole responsibility for determining accuracy or suitability for use.

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