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02-05-2020, 04:38 PM | #1 |
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spark plug caps
Hi all, I was just looking at a Restoration Supply Co. catalog and noticed something called “spark plug caps”. I must admit I like the look of 3X and other vintage brass capped spark plugs. Anybody ever use these to dress up modern replacement plugs? What are your thoughts?
Thanks, Ian |
02-05-2020, 05:11 PM | #2 |
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Re: spark plug caps
Whatever suits your fancy. If they were given to me I would use them.
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02-06-2020, 07:51 AM | #3 |
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Re: spark plug caps
I bought a set then realized you can make your own. It has been a while but I believe you use 1/2" copper plumbing end caps. I eye-balled what I thought was the inside center of the end cap. Marked it with a sharp punch then drilled a hole for the spark plug contact to stick through. If the hole was off center I rat tail filed it until if fit better. I use them on my W18 Champion plugs.
Bob-A |
02-06-2020, 12:27 PM | #4 |
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Re: spark plug caps
I like that, Bob-A
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02-07-2020, 09:28 AM | #5 |
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Re: spark plug caps
Here are 8 "Champs" waiting for use. On a bookcase in my "Command Bunker", man caves are for sissies....
Bob-A |
02-07-2020, 09:45 AM | #6 |
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Re: spark plug caps
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02-07-2020, 01:09 PM | #7 |
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Fun with spark plugs.
I had some of those caps so I tried one out. It really changes the look of the plug. I had darkened the base in the past to look more aged. The screw on top came from the hardware store also.
Thanks for the tip, Bob-A. Last edited by Y-Blockhead; 02-07-2020 at 01:29 PM. |
02-07-2020, 01:50 PM | #8 |
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Re: spark plug caps
I like it! Here they are on W16Ys.
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02-07-2020, 02:08 PM | #9 |
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Re: spark plug caps
I was wondering how they would look with 1/2 copper pipe caps.
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02-07-2020, 07:19 PM | #10 |
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Re: spark plug caps
I have thought of doing something like that. I like your execution of it. It looks sharp. I may give that a try.
Ken
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02-07-2020, 08:59 PM | #11 |
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Re: spark plug caps
Look pretty dang kool!!
Question: Do they get "energized" each time a spark travels to the plug and I must guess they do not affect the strength of spark available at the business end of the spark plug that might affect engine operation. |
02-07-2020, 09:18 PM | #12 |
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Re: spark plug caps
Thanks, I just took Bob-As idea and ran with it. I am pretty pleased with how they look.
I'm sure they get "energized" just like a brass capped 3X Champion but should not effect the running of the engine, unless you ground them... I certainly wouldn't touch them if you have a pacemaker (I do). Last edited by Y-Blockhead; 02-08-2020 at 12:21 AM. |
02-08-2020, 09:11 AM | #13 |
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Re: spark plug caps
Y and Bob, where did you get your caps and nuts?
I looked on restoration supply and only found the nuts. I hate, despise, dislike and their site angers me. Why don't they do something like Snyders and make it easy to purchase from them. |
02-08-2020, 09:33 AM | #14 |
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Re: spark plug caps
Y-Blockhead, What brand of black paint did you use on the plug bases?
old31, The caps (1/2" copper pipe end caps) came from a plumbing supply store. Most all hardware stores should have them. The knurled nuts I bought from either Bratton's or Snyder's. Bob-A |
02-08-2020, 11:02 AM | #15 | |
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Re: spark plug caps
Quote:
I can imagine any semi-gloss black would work if it could stand up to a little warmth.. Last edited by Y-Blockhead; 02-08-2020 at 05:29 PM. |
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02-08-2020, 11:15 AM | #16 |
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Re: Fun with spark plugs.
oops, wrong heading, my bad.
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02-08-2020, 11:17 AM | #17 |
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Re: spark plug caps
Wow,those look nice. Cool idea. I just went to the local "Do It Center" and found the 1/2" caps and the knurled brass nuts all for the price of 7 bucks to make those myself.
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02-08-2020, 12:53 PM | #18 |
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Re: spark plug caps
Awesome. I put a ˝" drill bit in my drill press and without turning it on pressed down on the inside of the cap to mark the center. Tamp, tamp, turn tamp tamp... Then drilled it from the inside with 5/16" drill bit.
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02-08-2020, 07:28 PM | #19 |
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Re: spark plug caps
Y- very clever!
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02-09-2020, 12:36 PM | #20 |
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Re: spark plug caps
That is a great way to find the center.
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