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Old 11-15-2009, 02:53 AM   #1
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Default WTB crank trigger wheel and VR sensor

I want to put together a crank sensor and need some parts, preferably pnp for a 1.6L. If you have it or have any advice, let me know.
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Old 11-19-2009, 05:27 PM   #2
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I'm going to have to fabricate this crap myself, aren't I...

If anyone has one or knows where I can get one or any easy way to fabricate one (I don't own a welder or lathe or anything cool like that), please let me know.
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Old 11-19-2009, 05:34 PM   #3
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You could try this approach:hall effect ring
Joe seems to think its plausable, which is good enough for me. Once I take care of some other projects I'm kicking around I'm probably going to give this method a shot.
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Old 11-19-2009, 05:34 PM   #4
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For you, savington, and anyone else who needs them I should really look into getting them made at work. Our gear machines will make a trigger wheel much more precise than anything a lathe/mill could do.
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Old 11-19-2009, 05:49 PM   #5
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Let me know curly. I have an email out to Vishnu to see if they'd be willing to make some more or if they have some lying around. A group buy may be in order to whoever can deliver.

Jeff, I'm not sure I'd want to use magnets. Plus, I don't know how accurately I could place them and where I could place them since the pulley is on a damper. I would probably need some sort of trigger wheel anyway. If you take on the project, I'll certainly be following.
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Old 11-19-2009, 08:18 PM   #6
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Curly, I'll be up for one.

TrickerZ, Vishnu is not far from where I live. Let me know if you need help

- Jason
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Old 11-19-2009, 08:51 PM   #7
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I'll talk to the vp of manufacturing, see if it's plausable. Should be cheap. I'd need:

diameter tolerance
# of teeth
thickness
material
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Old 11-19-2009, 10:41 PM   #8
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not sure of diameter tolerance, shouldn't be a big deal if the sensor is adjustable. tolerance between teeth is more important
36-1 (unless someone can come up with a good reason otherwise)
thickness is probably about 4mm? Anyone who has a wheel, please advise
material is high grade Al

You're planning on making a hub for the wheel to mount to, right? or is that what you meant by diameter tolerance? If you need measurements for that, I can do that this weekend since I have a motor in parts.
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Old 11-19-2009, 10:57 PM   #9
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Wait... AL? Don't you want a steel piece for the sensor to pickup?
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Old 11-20-2009, 01:04 AM   #10
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Yes, my bad. It would need to be steel for the magnetic pickup. For some reason I was thinking VR was not magnetic, but electrically inductive.
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Old 11-20-2009, 08:36 AM   #11
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Not sure if the measurements are right for our crank pulleys.... but there are generic ones.

36-1 Tooth Variable Reluctor (VR) Wheel Ford EDIS :eBay Motors (item 230350969464 end time Dec-18-09 19:54:51 PST)
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Old 11-20-2009, 09:57 AM   #12
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Getting the wheel is easy, it's a matter of mounting it that's the problem. A hub needs to be created to attach the wheel to the center of the pulley. DIY sells just a trigger wheel, too. I'm trying to get a bolt on made with no modifications. I'm lazy and don't have the tools to make my own hub and VR sensor bracket.
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