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11-11-2020, 11:34 AM | #21 | |||
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Re: I’m wondering if my coil is going bad
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11-11-2020, 04:56 PM | #22 |
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Location: Roanoke, VA USA
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Re: I’m wondering if my coil is going bad
I removed the oil filled coil this afternoon, and the ohms tested within spec cold. It’s rainy today; so, I didn’t take the car out to get it hot, and I didn’t want idle it a lot in the garage.
While I was under the hood, I swapped in my brand new oil filled coil to see how it will work. The car seemed to start okay cold (but the previous oil filled coil usually started okay cold too), and I plan to drive it a few days after the rain stops. If I’m going to have trouble with this coil, I’d like to have local car trouble, rather than out of town car trouble. If this coil gives problems, I can revert back to my original (to me) Ford script coil. I plan to buy an epoxy filled coil next time. Sent from my iPhone using Tapatalk |
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11-11-2020, 04:57 PM | #23 | |
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Re: I’m wondering if my coil is going bad
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Thanks for the idea. I’ll keep this in mind. Sent from my iPhone using Tapatalk |
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11-14-2020, 04:42 PM | #24 |
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Re: I’m wondering if my coil is going bad
Over the last several days, the car has gotten harder and harder to start, to the point that it would not start today. This afternoon, I put the original (to me) Ford script coil back in the car, and it would not start. I reinstalled my original (to me) condenser, and the car would not start. It didn’t look like I was getting much spark; so, I checked the points, and the point gap was off from where I set it a few weeks ago. I reset the point gap, and the car started great.
The lock screw (for lack of a better term) seemed to be tight on the point set screw. I wouldn’t think the rub block would have worn that much in 300 miles or so. Does anyone have any ideas about why point gap would appear to “slip?” Sent from my iPhone using Tapatalk |
11-14-2020, 05:44 PM | #25 | |
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Re: I’m wondering if my coil is going bad
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It probably didn't slip, it probably wore. It depends on the quality of the points and whether the block was lubed. Greasing it correctly is very important. |
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11-14-2020, 07:10 PM | #26 | |
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Re: I’m wondering if my coil is going bad
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I definitely keep it greased. Sent from my iPhone using Tapatalk |
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11-14-2020, 09:50 PM | #27 | |
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Re: I’m wondering if my coil is going bad
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Patrick, I’ve been using Lubricam from the previous owner, but the tube looks a bit old. Would Lubricam lose its strength over time? Sent from my iPhone using Tapatalk |
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11-14-2020, 10:19 PM | #28 | |
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Re: I’m wondering if my coil is going bad
Quote:
Thanks for the part number. I saved it for a later purchase. Sent from my iPhone using Tapatalk |
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11-14-2020, 10:21 PM | #29 | |
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Re: I’m wondering if my coil is going bad
Quote:
Hmmm... it seems that folks either love or hate the Pertronix coils. I wonder why folks have such different experiences with them. Sent from my iPhone using Tapatalk |
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11-14-2020, 10:31 PM | #30 | |
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Re: I’m wondering if my coil is going bad
Quote:
When I responded to you several days ago, I had only driven 300 miles or so after setting the point gap with this tool. https://www.brattons.com/quick-set-p...ting-tool.html I had no idea point gap could change that much that quick, and I had no idea how much it could affect the way a car would run. It eventually got to the place that the car would not start at all. When I reset the point gap, the car started like it used to start—usually on the first crank. Sent from my iPhone using Tapatalk |
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11-15-2020, 11:34 AM | #31 | |
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Re: I’m wondering if my coil is going bad
Quote:
Point gap controls coil saturation time as well as changing timing. |
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11-15-2020, 11:54 AM | #32 | |
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Re: I’m wondering if my coil is going bad
Quote:
As Patrick says keep them properly lubed.
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11-15-2020, 12:24 PM | #33 | |
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Re: I’m wondering if my coil is going bad
Quote:
The cam and rubbing block just need to get used to each other. They'll wear into each other after awhile. |
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11-15-2020, 03:26 PM | #34 | |
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I’m wondering if my coil is going bad
Quote:
These are not new points. They have been in the car for over a year and several thousand miles, which is why I was surprised at the gap “movement” over the last 300 miles or so. Last edited by shew01; 11-15-2020 at 08:27 PM. |
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11-15-2020, 03:38 PM | #35 | |
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I’m wondering if my coil is going bad
Quote:
I greased the distributor cam again today, using Vaseline. I don’t know if it that will wear any better or not. Would a different type of grease be better? Maybe white lithium grease? Sent from my iPhone using Tapatalk Last edited by shew01; 11-15-2020 at 04:49 PM. |
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11-15-2020, 04:30 PM | #36 |
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Re: I’m wondering if my coil is going bad
I didn't think we were aware the points had been around for awhile.
Maybe something has 'slipped' or maybe the points are just poor quality. Vaseline has been used for decades, its been a multi-purpose lubricant for many many things. |
11-15-2020, 08:03 PM | #37 |
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Re: I’m wondering if my coil is going bad
After tightening the adjustment screw see if the point contact itself is tight. The adjustment block is die cast metal and will stretch causing the contact to not be secure but the lock screw will be tight because the block has deformed and bottoms out.
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11-16-2020, 11:14 AM | #38 | |
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Re: I’m wondering if my coil is going bad
Quote:
I had this a couple of years ago, I had put a new "B" cam in the distributor and never thought to check it's surface. The point's rubbing block wore down in less than 50 miles. I took the cam out and polished it w/crocus cloth, it's been fine since then.
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