Ignition Coil Specification Help
I have a friend who is running some Mallory Coils (E-Promaster) that he bought because it had the highest voltage @51,000V peak.
Unfortunately not being very knowledgeable on the matter he was sold on peak voltage. However, his car is knocks ridiculously irregardless of retard and it runs pig rich all of the time! This got me thinking what if the ignition coil he chose has a spark that isn't strong enough to give a good burn and doesn't have a long enough spark duration to ensure a complete burn. His Specs: Mallory Promaster e Series Primary Resistance 0.5 ohms Secondary Resistance8.9K ohms Maximum Voltage 51,000 volts Turns Ratio 99:1 Peak Current260 mA Spark Duration 250 uS Compared to Howard C's Coils HVC-2 Coil, 6 Series Ignitions Part No. 8253 Primary resistance: 0.16 OHMs Secondary resistance: 630 OHMs Inductance: 3.5 mH Maximum voltage: 44,000 Volts Turns ratio: 100:1 Peak current: 450 mA Spark duration: 450 uS Weight:3.75 lbs Notice that the MSD's have much less resistance, use much more current and have almost double the park duration. Now, although I recommended to go back to the stock coils and just continue to run his HKS Twin Power he refuses at all costs. So I have recommended to him to get two MSD's and keep the Mallory's for clean-up duty on the trailing. But still he doubts my diagnostic and has asked me to find, any specs on the OEM coils so my question to you forum members is Does anyone know the Peak Current and/or Spark Duration of the OEM coils? |
26 views and nada.
Am I to understand noone has ever passed OEM coils on an osciloscope?:dunno: |
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