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| Distributor replacement with pictures and tips for a V-6 (Page 7/12) |
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JazzMan
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APR 02, 05:45 PM
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| quote | Originally posted by Patrick:
Perhaps I'm not following exactly what you're saying, but why would an induction timing light be necessary? Couldn't a regular timing light be attached to the coil (or the center terminal of the distributor) in much the same fashion as a regular timing light is normally attached to the #1 spark plug?
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An induction timing light is a regular timing light. In the bad old days timing lights had to be connected in line with the spark plug wire or even (heaven forbid) used a wire that pierced the insulation. Modern induction timing lights use a clamp with an induction coil to clamp to the wire.
JazzMan
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Patrick
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APR 02, 06:15 PM
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| quote | Originally posted by JazzMan:
An induction timing light is a regular timing light. In the bad old days timing lights had to be connected in line with the spark plug wire or even (heaven forbid) used a wire that pierced the insulation. Modern induction timing lights use a clamp with an induction coil to clamp to the wire.
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JazzMan, thanks, but I'm aware how an induction timing light works. 
My question was in regards to using a timing light from "the bad old days" (the type I have) connected in line from the coil to the distributor to monitor timing for both the #1 and #4 cylinders.
In other words, I don't understand why an induction timing light was originally mentioned specifically. Just looking for some clarification, is all. 
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JazzMan
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APR 02, 06:21 PM
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Well, it doesn't matter what triggers the flash in the light, the result is the same. There is a timing mark on the harmonic dampener for every cylinder pair besides #1 & 4, so you'll get results with the coil wire as well.
JazzMan
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Patrick
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APR 02, 06:33 PM
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| quote | Originally posted by JazzMan:
Well, it doesn't matter what triggers the flash in the light, the result is the same.
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That was more or less my point. 
Anyone disagree with being able to use a non-inductive timing light for this procedure?[This message has been edited by Patrick (edited 04-02-2008).]
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sjmaye
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APR 03, 03:34 AM
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| quote | Originally posted by Patrick:
Perhaps I'm not following exactly what you're saying, but why would an induction timing light be necessary? Couldn't a regular timing light be attached to the coil (or the center terminal of the distributor) in much the same fashion as a regular timing light is normally attached to the #1 spark plug?
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Induction or regular makes no difference. You can connect to the center (coil) terminal, but it fires for all cylinders, so using it for timing purposes is useless. For a regular, inline, timing light it should be connected to cylinder #1 distributor terminal or spark plug.
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Patrick
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APR 03, 04:59 AM
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| quote | Originally posted by sjmaye:
You can connect to the center (coil) terminal, but it fires for all cylinders, so using it for timing purposes is useless.
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So you don't agree with Jetman?
| quote | Originally posted by jetman:
If you have a good induction timing light, hook it up to your coil wire and you will be timing for both your #1 cylinder and your #4 cylinder at the same time. I just tried it myself and it worked like a charm. For years I've taken the difference between #1 and #4 as I set the timing, this is so much simpler.
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[This message has been edited by Patrick (edited 04-03-2008).]
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Hudini
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APR 03, 08:10 AM
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| quote | Originally posted by sjmaye:
You can connect to the center (coil) terminal, but it fires for all cylinders, so using it for timing purposes is useless. For a regular, inline, timing light it should be connected to cylinder #1 distributor terminal or spark plug. |
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Not useless at all. In fact it is a neat trick for setting the average for #1 and #4. How? Because you mark the harmonic balancer with white chalk or paint on the fat mark and that is the mark you see even though the timing light flashes for all cylinders. The net effect your eyes see is the white chalk mark. You move the dist so the chalk mark bounces around as close to the 10* mark as you can get.
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JazzMan
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APR 03, 09:00 AM
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| quote | Originally posted by sjmaye:
Induction or regular makes no difference. You can connect to the center (coil) terminal, but it fires for all cylinders, so using it for timing purposes is useless. |
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Not quite. The harmonic dampener has marks corresponding to TDC of every cylinder, so you can use the coil wire and see a timing mark that's relatively accurately located for every cylinder firing event.
JazzMan
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sjmaye
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APR 03, 05:59 PM
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| quote | Originally posted by Patrick:
So you don't agree with Jetman?
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Yes, I do. I was also agreeing with Jazzman on his description on induction timing lights and needing to be on cylinder #1.
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sjmaye
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APR 03, 06:01 PM
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| quote | Originally posted by JazzMan:
Not quite. The harmonic dampener has marks corresponding to TDC of every cylinder, so you can use the coil wire and see a timing mark that's relatively accurately located for every cylinder firing event.
JazzMan
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If you are connected to the coil wire won't it be firing and blinking for all 6 plugs firing? How would you know which one it is firing for? I thought I was pretty sure about this, but I am beginning to wonder 
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