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Old 05-10-2005, 09:53 AM
Clois Harlan's Avatar
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Default Coil Comparision
I am thinking about replacing my coil with the MSD 8207 and I am not sure how to compare it with my old coil.

Here are some variables:

MSD 8207 / Blaster 8205

Max Voltage 40,000 volts / 45,000 volts
Turns Ratio 70:1 / 100 : 1
Prim Resistance .355 ohms / .700 ohms
Secondary Resis .4.40K ohms / 4.70 K ohms
Inductance 6.9 mH / 8.0 mH
Peak Current 300 mH / 140 mH
Spark Duration 220 uS / 350 u


I don't have a clue what these comparisons mean but I do know that I want a hotter spark for better combustability.

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Old 05-10-2005, 11:44 AM
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A pretty good discussion of the different coil specifications :

http://www.hotrod.com/techarticles/17399/
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Old 05-11-2005, 01:41 PM
Clois Harlan's Avatar
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Thanks Yeti,

Good Information.

Clois
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