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Ignition control in a dual alternator dual bus system

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nuckolls.bob(at)cox.net
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Posted: Mon Mar 03, 2008 6:57 pm Post subject: Ignition control in a dual alternator dual bus system

At 06:16 PM 3/3/2008 -0700, you wrote:



 	  Quote: 	
		  



Frank,



For the most part I agree.  The points that I was trying to make were

small.  The main reason for using EI (order not important) is to improve

the starting, overall HP, fuel specifics, and general smoother running

throughout the range of operation.  I didn't want to confuse rated

operation to improved operation.  The general point is, if your going to

run a mix of EI and MAG why bother, your not going to see much gain

unless you run both systems at the same timing point.



MIke


	


   Most folks running a mix of technologies are hedging their

   bets. After all, EI is the "new kid" on the block although

   work by Lightspeed and ElectoAir now goes back over 20 years.

   The other factor is that I'm aware of no engine suppliers

   that will offer you a discount equal to the cost of the

   magneto ignition system for leaving it off the delivered

   engine. The last point is that the vast majority of your

   gains for running EI come with addition of the first system.

   So, consider the cost of ownership: Take off one mag and

   leave the other on to back up a EI system that's going to

   do all the work. When and if the first mag craps, put the

   removed one back on and get your investment back out of it.

   When and if the second one craps, one would hope that the

   first EI system is still going strong . . . so putting the

   second brand-new EI system on gives you one old one, one

   new one. You've maintained redundancy throughout the

   exercise and not wasted any money on hardware while enjoying

   the vast majority of what an EI system can deliver.



   Most folks I've talked to running EI had yet to see

   an ROI on fuel savings . . . although when it gets to

   $5/gallon, that may change quickly. Most were very pleased

   with starting performance and the ability to use automotive

   plugs.



   Bob . . .

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mlas(at)cox.net
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Posted: Tue Mar 04, 2008 6:49 am Post subject: Ignition control in a dual alternator dual bus system

Bob,



One engine builder that offers EI as an option to Mags is Performance

Engines of California.  I would think that Lycon and BPE may also do the

same.



Mike



--

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mlas(at)cox.net
Guest

Posted: Tue Mar 04, 2008 6:53 am Post subject: Ignition control in a dual alternator dual bus system

Bob,



A side not to my last post:  Most of the folks on this site  are 4

cylinder operators and tend to follow the money trail of low cost (a

great thing).  The 6 cylinder folks don't have as many options and tend

to deal with the race side of the house and the people engaged in

maximum performance who have spent the time looking for power

advantages.



Mike



 



10/2/2007 11:10 AM

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