ms miata wasted spark seyups - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-10-2006, 07:17 AM   #1
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Default ms miata wasted spark seyups

i can build these if you need one let me know

ive build several dozen on differant configs!
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Old 10-10-2006, 11:48 AM   #2
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Im sorry but can you explain to me what a wasted spark setup is? Ive heard the term thrown around but never knew exactly what it was.
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Old 10-10-2006, 01:09 PM   #3
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Wasted spark is when 2 cylinders spark together. One spark is generated at the beginning of the intake stroke, the other at beginning of the combustion stroke(if you spark at TDC)
In case of a 4-cylinder engine like the miata: 1 and 4 spark together, 2 and 3 spark together.
The advantage is that you only need 2 coils, but no distributor. Newer cars have one coil per cylinder.

Last edited by Symtomatics; 10-10-2006 at 01:22 PM.
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Old 10-10-2006, 03:38 PM   #4
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Basically he is offering to build us our OEM setup
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Old 10-10-2006, 06:36 PM   #5
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^ ditto
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Old 10-15-2006, 05:16 PM   #6
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yeah if you cant find some one close i can do it ive built them for lots of setups and i built one for miata wasted spark also for use on my escort
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Old 10-15-2006, 05:19 PM   #7
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????? did you read the other posts in this thread?

How about a coil on plug setup though?
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Old 10-15-2006, 08:15 PM   #8
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I've done a COP / Wasted spark setup that works really well. I don't see any reason why the MS couldn't do a true COP setup. A couple of VB921's and play with the firing squence and you'd be in business.
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