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11-03-2014, 12:55 PM | #1 |
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spark tester for model A
What is a reccommended spark tester for a model A engine.
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11-03-2014, 12:58 PM | #2 |
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Re: spark tester for model A
I sure could say something now, but, I won't. [ smiley face]
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11-03-2014, 01:04 PM | #3 |
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Re: spark tester for model A
Hi frank,
Vintage simple & proven method: 1. Lay plugs on their sides for a ground; &, 2. Connect tops of plugs to distributor: & 3. Crank engine by hand or with starter; & 4. If no spark at ends of plugs, no spark where it really "counts"; i.e., in the combustion chamber. 5. With no spark in combustion chamber, it will "never" start. |
11-03-2014, 02:06 PM | #4 |
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Re: spark tester for model A
for an inline i use this style for all cars, they can be driven with it on
if you lay the plugs on the motor make sure you have a good ground preferably a jumper wire from the plug base to a head nut. Last edited by Mitch//pa; 11-03-2014 at 02:13 PM. |
11-03-2014, 02:39 PM | #5 |
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Re: spark tester for model A
Correct me if I'm wrong ( I often am) but won't this gizmo give a positive result even if the plug is shorted at the electrode I thought it just tested that there is HT voltage going to the plug, not that the plug is actually functional.
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11-03-2014, 02:45 PM | #6 |
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Re: spark tester for model A
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11-03-2014, 02:57 PM | #7 |
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Re: spark tester for model A
Harbor Freight... Spark Tester
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11-03-2014, 02:59 PM | #8 | |
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Re: spark tester for model A
Quote:
its much harder to see the neon light and use it for diagnostics but it is better than nothing |
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11-03-2014, 03:21 PM | #9 |
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Re: spark tester for model A
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11-03-2014, 03:26 PM | #10 |
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Re: spark tester for model A
I just take the round top cap off and either use the edge for a handle or perch it at a angle near a head nut and crank engine, if I want to see spark going to the plugs I move the "wires" a little away from the pins on the cap-- no special tools needed
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11-03-2014, 03:28 PM | #11 |
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Re: spark tester for model A
what do you use for intermittent conditions that sometimes show up under load
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11-04-2014, 04:24 PM | #12 |
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Re: spark tester for model A
if there is no spark then what is the next step?
Is there a capacitor the allows the charge to build and then the charge is sent to the distributor? |
11-04-2014, 04:30 PM | #13 | |
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Re: spark tester for model A
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file and adjust the points work the points open and closed with the key on they should spark and throw a jolt out the coil wire to a head nut with a 1/4 gap there is a condenser in the distributor assy |
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11-04-2014, 04:33 PM | #14 |
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Re: spark tester for model A
When I was about 13 years old. I had a old wash machine engine I was trying to get running. One of my friends was there watching. I had him grab the spark plug. It seemed to have plenty of spark. My friend was not to happy, but he got over it. But I think you would be better off finding a better way.
Last edited by George Miller; 11-04-2014 at 04:39 PM. |
11-04-2014, 04:36 PM | #15 | |
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Re: spark tester for model A
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on HEI or like |
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11-04-2014, 04:43 PM | #16 |
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Re: spark tester for model A
Clear cover or the one with cutouts should work.
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11-04-2014, 04:44 PM | #17 | |
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Re: spark tester for model A
Quote:
__________________
What's right about America is that although we have a mess of problems, we have great capacity - intellect and resources - to do some thing about them. - Henry Ford II |
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11-04-2014, 04:47 PM | #18 |
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Re: spark tester for model A
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11-04-2014, 05:14 PM | #19 | |
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Re: spark tester for model A
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Thats what I didn't say. I thought maybe someone would run right out and grab the coil or plug wire. Might not be a good idea today for someone with a bad heart. Its also what we used to do with new guys in the shop, along with loaded condensers. |
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11-04-2014, 05:14 PM | #20 |
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Re: spark tester for model A
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