You are correct that they don't really benefit in power with dual ignition, but it is more a function of redundancy than power. On mine I could hardly tell if there was a mag drop with either the mag or electronic turned off. There was a very noticeable increase in smoothness at idle with the electronic ignition and you could lower the idle speed without having the engine stumble and die with the electronic. Turn the mag off at idle and you couldn't tell a difference, but turn off the electronic and you could. I got the same results on the 2180 on my KR or the 1835 in the Sonerai.
I think that the Great Plains way of doing the small plugs between the pushrod tubes is the only way to go. I have a Happi with the big second plugs and a Revmaster the same way and both of them make it is miserable job to change the secondary plugs, weaken the heads a lot more, and make the engine more prone to oil leaks. Brian Kraut Engineering Alternatives, Inc. www.engalt.com -----Original Message----- From: krnet-boun...@mylist.net [mailto:krnet-boun...@mylist.net]On Behalf Of Joe Beyer Sent: Thursday, December 21, 2006 5:04 PM To: kr...@mylist.net Subject: KR> RE: How about a 4016 magneto? > If I remember correctly the 4000 series Slick mags are throw away Mags Sounds like I should just toss it now! What do >you suggest? (I would like to go with a dual magneto/dual-plug setup anyway). Thinking of calling GP, as they >specifically say they can upgrade/rebuild my HAPI). Thinking new dual plug heads are in the picture. Marc Lee Winnig I wouldn't run dual plugs in a VW. They don't benefit from dual point ignition due to the shape of the combustion chamber and the fact that drilling for an extra plug weakens the head. If you absolutely have to use dual ignition (like in the UK) then drill for a 12mm motorcycle plug and use a helicoil. The combustion chamber is wedged shaped, and is ideal for single point ignition. Not like a Continental or Lycoming, which has a huge piston area and is designed for two plugs. If possible use a .005 distributor and a good generator with a battery instead of a magneto. The best mag. to use, in my opinion, is the Bendix 20 series with impulse coupeling. They're expensive. The new Slick mags are real good to use too. Great Plains sells a real good 40 amp belt driven alternator. Check it out. -Joe _______________________________________ Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net please see other KRnet info at http://www.krnet.org/info.html
