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  #1  
Old 10-25-2005, 02:25 PM
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Diesel pulse Timing light?

I'm not sure of the correct name of a diesel timing light..

Pulse injection Timing light..maybe?.. Diesel Timing Meter?

anyway I have decide to find one to take the mystery out of my timing and find and perhaps add to the tool rental program. If there is anyone that is in the know on what to look for and specifications.. It would be apppreciated.

If you have any good links new or used... let me know.


thanks

Bennett


Last edited by bennett; 10-25-2005 at 02:35 PM.
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  #2  
Old 10-25-2005, 03:39 PM
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It's a fabulous tool. You can read timing in about one minute after you connect it up. We were checking it out at the NJ GTG.

But, one problem remains.

The timing on the five vehicles tested ranged from 6 to 12 BTDC. Clearly, this is not anywhere near the 24BTDC setting from the drip method.

So, it's necessary to "calibrate" this device using a vehicle that is precisely set. Since precision is not the forte of the drip method, the use of the RIV tool is necessary.

I hope to borrow an RIV tool, set timing on the SD, and then check it with the impulse tester owned by Dieselnut14, who is not too far from me.

Then we'll know, for sure, what the calibration should be for such a device.

Some time in November, hopefully, if I can get the SD running.
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  #3  
Old 10-25-2005, 03:44 PM
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For the ignorant (moi) please explain how this device works without ignition.
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Old 10-25-2005, 04:58 PM
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Quote:
Originally Posted by andmoon
For the ignorant (moi) please explain how this device works without ignition.
Piezoelectric sensor clamped on the injection line detects the pressure drop in the line when the injector pops open. I could never get my Ferret to work on my old 300SD, I just assumed it was due to weak injectors and I intend to try again after I replace the nozzles and set the pop pressure.

DTI has a patent on the concept, so all the other brands, Ferret, OTC, etc use DTI's piezo pickups.

http://www.tinytach.com/design/timing.php
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  #5  
Old 10-25-2005, 05:20 PM
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That's pretty cool. Do you actually see the degree of advance on the flywheel/ballancer with a timing light or does it sense crankcase position some other way?

Danny
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  #6  
Old 10-25-2005, 05:34 PM
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Quote:
Originally Posted by dannym
That's pretty cool. Do you actually see the degree of advance on the flywheel/ballancer with a timing light or does it sense crankcase position some other way?

Danny
You set the unit to zero degrees with a timing light by focusing it on the flywheel and operating the adjustment switches on the panel.

The readout is then a digital readout relative to zero degrees...........typically negative by some amount (BTDC).

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