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Which Ignition Coils ? 20 Jun 2023 20:03 #886251

  • sf4t7
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Easy question for some of you :  I'm going to use a DS2-1 conversion, 7mm copper core plug wires with plain caps ( 0 ohms), BR8ES resistor plugs, with a "Wookie" relay added for the coils.  What should I use for ignition coils to go with that combination?

Scotty
Scotty

1974 Z1A
1015
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1

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Which Ignition Coils ? 20 Jun 2023 20:24 #886252

  • TexasKZ
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1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
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Which Ignition Coils ? 21 Jun 2023 06:20 #886259

  • martin_csr
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An old Dyna S instruction sheet says to use ignition coils that are at least 3.0 ohms & I contacted Dynatek years ago and they said to use the green 3.0 ohm coils with the Dyna S. From an old reply by loudhvx the stock points coils (4.0 ohm) work fine with Dyna S, so maybe the 5.0 ohm will be okay as well but those might be for points ignition. ???  ps: dynatek's info is horrible.
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Which Ignition Coils ? 21 Jun 2023 06:29 #886260

  • Wookie58
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Aslong as the resistance is "higher" rather than lower you won't overload the Dyna as the current flow will be smaller
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Which Ignition Coils ? 21 Jun 2023 06:43 #886262

  • martin_csr
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Thanks.  Another consideration is mounting them. 

For the green coils on a KZ650-CSR I made brackets from 1-1/2 x 1-1/2" angled aluminum.  
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Last edit: by martin_csr.

Which Ignition Coils ? 21 Jun 2023 07:26 #886264

  • sf4t7
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Thank you guys.  Green 3 ohms it is.   

Martin, I agree the dynatek website is terrible.  That's where I looked first, but couldn't figure out an answer so then I asked you guys.

Scotty
Scotty

1974 Z1A
1015
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1

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