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Old 12-05-2017, 08:34 PM   #1
TRP
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Default Champion C-16 C VS Champion 3x?

Hello Gang,

My car is currently running Champion C-16 C plugs. I pulled them out and they look a little worse for wear. The center electrode is noticeably worn out near the ground electrode. I picked up some Champion 3X's as recommended here.

I am running a C head (with the unique water pump) on an otherwise stock motor. Should I have any concern with such a swap?

I posed this question on the original 'which plug do you run' thread. It looked like it was going to get lost in a hurry. I moved it here.

Thank you for your time,
Ted
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Old 12-05-2017, 10:24 PM   #2
ursus
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Default Re: Champion C-16 C VS Champion 3x?

With a C Head you are still running a low compression engine (at 4.6/1). The C16C plugs were a replacement for the C-4 plugs made for the C-head which were a replacement for the 3X plugs. You will be fine with the 3X plugs.
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Old 12-05-2017, 10:26 PM   #3
TRP
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Default Re: Champion C-16 C VS Champion 3x?

Thank you, Sir!

I also just found this informative thread:
https://www.fordbarn.com/forum/showthread.php?t=12582
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Old 12-06-2017, 07:24 AM   #4
Tom Wesenberg
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Default Re: Champion C-16 C VS Champion 3x?

And don't throw away any plugs that still fire OK, especially the 3X plugs. When the center electrode wears to a rounded end, just file it flat again. The plugs spark easier from a sharp edge than they do from a rounded tip.

Last edited by Tom Wesenberg; 12-06-2017 at 09:51 AM.
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Old 12-06-2017, 09:29 AM   #5
Ron in Quincy
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Default Re: Champion C-16 C VS Champion 3x?

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make sure you have at least .025 clearest between the roter tip and the contacts in the distributor body, this provids a mutch hotter spark.
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