 Resistor Spark Plugs, Any reason not to? |
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| bbrock |
 May 7 2019, 12:03 PM
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#1
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914 Guru  Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains 
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So it looks like NGK BR6ES are more readily available locally, and less expensive than standard B6ES. Plus, they will suppress electrical noise from the engine. Is there any reason not to use them?
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Replies(1 - 7)
| 914Sixer |
May 7 2019, 12:10 PM
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#2
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914 Guru Group: Members Posts: 8,912 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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Nope, go for it.
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| Dave_Darling |
May 7 2019, 01:07 PM
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#3
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914 Idiot Group: Members Posts: 14,991 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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I believe the stock wires have resistors as well. Not sure what effect having both would do.
--DD |
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| preach |
May 7 2019, 06:59 PM
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#4
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Ridge Runner Group: Members Posts: 1,029 Joined: 27-March 10 From: Live Free or Die Member No.: 11,513 Region Association: North East States
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I had a '71 0pel gt that I rebuild when I was 19 everything was great, new dizzy, new wires, dizzy guts...it would not start for a week before I bought new non-resist plugs. Fired right up after that.
VERY limited experience but I offer it. |
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| northern chris |
May 7 2019, 08:30 PM
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#5
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Newbie Group: Members Posts: 40 Joined: 13-August 05 From: Sherwood Park, Canada Member No.: 4,584 |
Depends on your ignition system, with the stock system you will get a much stronger spark with the non-resistor plugs. I have an MGB GT as well and it runs terrible with resistor plugs and the old Lucas system. If you have installed a modern ignition system you can use the resistor plugs.
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| bbrock |
May 7 2019, 10:45 PM
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#6
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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Thanks for the feedback so far. Does a Pertronix with matching coil count as a modern ignition? I'm guessing the hotter spark is the key here?
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| Mark Henry |
May 8 2019, 06:43 AM
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#7
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
I only use the bosch super plugs (copper core) for stock, no exceptions.
NGK for performance ignitions, CDI, MSD, etc., but in these cases I'd be using wires like magnacore, etc. Pertronix is just like the points, it's not a CDI of any sort. |
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| bbrock |
May 8 2019, 09:45 AM
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#8
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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Finding Bosch plugs is a bit like chasing down the rabbit hole because of Bosch constantly changing names and part numbers. As near as I can tell, the Bosch Super Plug cross references to the WRCC+ plug which is a resistor type plug. Do you know if that's true? Do you happen to have a current part number for the plugs you use?
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