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Hotspark collar won't get past section of dizzie shaft
Not too shy to talk
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2016/3/7 22:05
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Hi there, I have a B211 with a Hitachi D4A5 (22100-H8301) and I am trying to install a hotspark ignition conversion but can't get the hotspark magnetic collar past an 18.2mm collar on the dizzie shaft. I attach a pic of the offending item. I'm also baffled by the 3 posts on my ballast resistor and the fact that the gap for the wires in the dizzie is way bigger than the replacement rubber insert that hotspark supply but I can silicon my way out of that one.

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jpg  Dizzie collar.jpg (83.23 KB)
20817_5cb5d32676bd2.jpg 640X481 px

Posted on: 4/16 14:09
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Re: Hotspark collar won't get past section of dizzie shaft
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Is that hotspark designed for the distributor? It may be intended to be used on earlier distributor Hitach D40/D41 which was nearly but not quite the same

JDM B211 came with points distributor and 2-tap ballast resistor

3-tap ballast resistor was used by early electronic ignition (e.g Hitach D4F and D6F/280Z)
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The middle tap is for the medium current load of the electronic ignition (0.9 ohms, which is too much current for a points distributor). When using Hot-Spark Ignition be sure to use the outer pair of connectors on the resistor as Hot-Spark is not a high energy module. They sell a Hot Spark "high-energy" coil but is just a normal coil (3.4 ohm). But you can use a regular ballast (1.5 ohm) with a regular Datsun coil (1.5 ohm, total 3.0 ohm)

Posted on: 4/17 7:26
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Re: Hotspark collar won't get past section of dizzie shaft
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Quote:
can't get the hotspark magnetic collar past an 18.2mm collar on the dizzie shaft
Found this on the Hot-Spark USA site (didn't see it on the EU site): "kit's magnet sleeve fits distributor shaft lobes that measure 16.10 mm from flat edge-to-flat edge. A few Hitachi distributor shafts have a round extrusion or "bump," above the distributor shaft lobes, that prevents the magnet sleeve from being seated. In that case, you'll need to request a custom magnet sleeve that has the center hole enlarged"

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jpg  Hitachi 4-cyl distributor with bump on shaft.jpg (84.06 KB)
174_5cb6cbd4c501c.jpg 800X450 px

Posted on: 4/17 7:46
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Re: Hotspark collar won't get past section of dizzie shaft
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Note the photo above looks like a D4A -- the grommit replacement rubber insert doesn't quite fit


This photo looks like a Hitachi D40/D41 (the type used by early B210) and it fits perfectly

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jpg  3HIT4U1-in-Distributor.jpg (86.86 KB)
174_5cb6ceb21b674.jpg 827X700 px

Posted on: 4/17 7:57
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Re: Hotspark collar won't get past section of dizzie shaft
Not too shy to talk
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Many many thanks ddgonzal - as ever. I have requested the adapted magnet from E-spark europe who supplied it.

Posted on: 4/18 12:47
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