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  #1  
Old 12-02-2004, 07:41 PM
CCWKen CCWKen is offline
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Tach for Diesel?

Any one know of a low budget tachometer that can be used on a diesel engine?

Also; What is the maximum angle that you can run those fiberglass flex plates (drive shaft) and not have them come apart?
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  #2  
Old 12-02-2004, 08:15 PM
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Travis Followell Travis Followell is offline
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I would assume that any tach could be used on a diesel engine. Your dealer probibly has some for about $30-$40 for a digital tach. That is about what they sell for anywhere.
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Old 12-02-2004, 08:22 PM
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grass_cuttin_fool grass_cuttin_fool is offline
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I dont think most any tach will work because you are going to need one that picks up a pulse from the fuel line or from a sensor off the fly wheel, prob gonna have something from the engine manufacturer
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Old 12-02-2004, 09:20 PM
CCWKen CCWKen is offline
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Standard tachs won't work. Diesels don't have ignition systems thus no pulsed reference signal.

I'm still looking! I may have found one. It senses a pulse from the injector line. $65 beats the $150+ options I've been seeing.
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Old 12-02-2004, 09:53 PM
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fixer67 fixer67 is offline
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That "pulse" type tech may only be for EFI diesels, you need to check before you buy it.
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Old 12-02-2004, 09:53 PM
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Mikes Machines Mikes Machines is offline
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You will probably laugh at me but those little stick on vibratachs are more accurate than you would think.
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  #7  
Old 12-03-2004, 12:18 PM
steinerguy steinerguy is offline
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They also make the electric ones that plug into the alternator on the engine and based on output, can tell you RPM. I have looked at those for my Steiner.
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  #8  
Old 12-07-2004, 07:28 PM
weve weve is offline
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Tiny-Tach makes a digital tach/hour meter for diesel engines. I don't have one but may get one when I purchase my next diesel mower.

http://www.tinytach.com/tinytach/diesel.php
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  #9  
Old 12-09-2004, 09:26 PM
CCWKen CCWKen is offline
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Thanks Weve. That's the one I spotted. It uses the mechanical pulse ripple from the injector pump to an injector. Smart idea! I wonder if it works? The method seems to be used in a few different products. I've got a few queries out on it.
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  #10  
Old 12-09-2004, 09:32 PM
CCWKen CCWKen is offline
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Yep Joel, heard of those too. The problem is that you have to have a center tapped alternator (made for a tach) or have the tap wired in. Besides, they're more than I want to spend for a tach.
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