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Old Nov 21, 2009 | 06:42 AM
  #501  
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Originally Posted by hustler
It may be time to purchase a cam for my car.
make sure you safety wire it though


awesome thread btw Andrew, that car looks (and goes) amazing
Old Nov 21, 2009 | 09:00 AM
  #502  
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Originally Posted by hustler
It may be time to purchase a cam for my car.
nah. its time to build some aero for your car. I'm redoing most of the aero on my car this winter. We need to find someone to make a mold for us...
Old Nov 21, 2009 | 09:50 AM
  #503  
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Originally Posted by Matt [exz3owner]
nah. its time to build some aero for your car. I'm redoing most of the aero on my car this winter. We need to find someone to make a mold for us...
I know a little bird.
Old Nov 22, 2009 | 09:29 PM
  #504  
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Matt [exz3owner]: Is your miata registered in NC? (Noticed the plate)
Old Nov 22, 2009 | 09:31 PM
  #505  
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its no longer registered. That plate used to be on my toyota supra.
Old Nov 23, 2009 | 11:35 AM
  #506  
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Originally Posted by emilio700
I didn't know that. Even a 12 tooth crank trigger should be a substantial improvement over any CAS. Draw the plate and I'll get them made.
I will buy one and I eagerly await the configuration data for MSpnp, written for a 5-year old so I can understand what's going on.
Old Nov 23, 2009 | 12:19 PM
  #507  
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Originally Posted by hustler
I will buy one and I eagerly await the configuration data for MSpnp, written for a 5-year old so I can understand what's going on.
+2 (that is, I'll buy two probably, or rip the drawing and have them made here). Why not use 99+ OEM parts for this - did I miss something?
Old Nov 23, 2009 | 12:56 PM
  #508  
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As for manufacturing the trigger wheels, using wire EDM is like dropping a laser-guided bomb to dig a post hole. Waterjetting them would be fine.
Old Nov 23, 2009 | 01:11 PM
  #509  
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Originally Posted by Spookyfish
+2 (that is, I'll buy two probably, or rip the drawing and have them made here). Why not use 99+ OEM parts for this - did I miss something?
Ditto, is there any benefit to a 12-tooth wheel over the '99 OEM stuff?
Old Nov 23, 2009 | 02:14 PM
  #510  
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The 99+ wheel is really odd... It has 4 unevenly spaced teeth. The most popular engine management option on the board (MS1) can't do anything with it.

The MS can however deal with any wheel that has equal spacing between the teeth.

Generally the more teeth on the wheel, the more accurate the computer will fire spark and fuel, but there is a point of diminishing returns. This point varies by application--the MS1 comparatively is already imprecise. More accurate solutions will see greater gains as tooth count increases (MS2, Hydra, etc).
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Originally Posted by concealer404
Buy an MSPNP Pro, you'll feel better.
Old Nov 23, 2009 | 03:47 PM
  #511  
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How about something like this?





They took a production cam gear, machined holes, and pressed magnets in.
Old Nov 23, 2009 | 03:49 PM
  #512  
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And it's still cam driven. I don't get why this is so hard.
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Originally Posted by concealer404
Buy an MSPNP Pro, you'll feel better.
Old Nov 23, 2009 | 04:20 PM
  #513  
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We (Jesel) use rare earth magnets on our front drive CAS kit, cheap and easily available from McMaster, epoxy them in to a simple machined rotor, use a MSD non-magnetic sensor, etc. But it's only 1 pole for simple cam location reference for standalones...actual timing is based off a crank wheel which is the only way to go in race engines.

Using a simple waterjetted wheel with a magnetic sensor or a wheel with epoxied magnets and a "non magnetic" sensor would do the same thing as long as it's on the damn crank. The more the merrier as long as your ECU can handle it.
Old Nov 23, 2009 | 04:53 PM
  #514  
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Originally Posted by TurboTim
We (Jesel) use rare earth magnets on our front drive CAS kit, cheap and easily available from McMaster, epoxy them in to a simple machined rotor, use a MSD non-magnetic sensor, etc. But it's only 1 pole for simple cam location reference for standalones...actual timing is based off a crank wheel which is the only way to go in race engines.

Using a simple waterjetted wheel with a magnetic sensor or a wheel with epoxied magnets and a "non magnetic" sensor would do the same thing as long as it's on the damn crank. The more the merrier as long as your ECU can handle it.
ABSURDcranktrigger
Old Nov 23, 2009 | 05:11 PM
  #515  
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I bet if you asked ATI dampers to make you a damper with magnets in it they would do it.
Old Nov 23, 2009 | 05:19 PM
  #516  
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How much do you love the internet? There is actually a trigger-wheels.com

Link: Trigger-Wheels
Old Nov 23, 2009 | 06:54 PM
  #517  
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Originally Posted by GIGAPUNK
I bet if you asked ATI dampers to make you a damper with magnets in it they would do it.
I actually was talking to JC (ATI owner's son, basically the guy who does all the development work) today about the Miata damper, I should have asked if he'd throw magnets in there. I'm sure he would or know of an easy way to do it...there's mounting bosses on there already (or at least optional for the OEM crank trigger wheel) and making a simple waterjetted rotor should be simple. The bracket would need to be done, and whatever tweaks to the software of which I am no help. I'll ask JC next time I talk to him. He's supposed to call or email me some info tomorrow on a project I'm working on.
Old Nov 23, 2009 | 09:53 PM
  #518  
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Originally Posted by TurboTim
I actually was talking to JC (ATI owner's son, basically the guy who does all the development work) today about the Miata damper, I should have asked if he'd throw magnets in there. I'm sure he would or know of an easy way to do it...there's mounting bosses on there already (or at least optional for the OEM crank trigger wheel) and making a simple waterjetted rotor should be simple. The bracket would need to be done, and whatever tweaks to the software of which I am no help. I'll ask JC next time I talk to him. He's supposed to call or email me some info tomorrow on a project I'm working on.
Moroso already makes a trigger wheel kit that's made to bolt to ati dampers that comes with a sensor and bracket. I just can't figure out how many magnets it has.
Old Nov 23, 2009 | 09:55 PM
  #519  
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I don't understand why everyone's so hung up with putting magnets on the wheel. You just need a wheel made from a ferrous material and a magnetic pick up.
I've seen ATI wheels offered on the FM website.
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Originally Posted by concealer404
Buy an MSPNP Pro, you'll feel better.
Old Nov 23, 2009 | 09:57 PM
  #520  
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Originally Posted by Ben
I don't understand why everyone's so hung up with putting magnets on the wheel. You just need a wheel made from a ferrous material and a magnetic pick up.
.
That's what trigger-wheels.com specializes in



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