Can MSD coils be used?
Posted: Fri Jun 01, 2012 9:29 am
Does anyone think these coils are ok to run as a replacement to the stock coils on a roundcase? I'm going to guess its a no go, since 5 ohm coils are recomended, 3 ohm for racing. They are just compact and i have several of them sitting on my shelf.
http://www.msdpowersports.com/Products/ ... ed-Ground/
Output Voltage: 30 KV
Primary Resistance: 0.2 Ohms
Turn Ratio: 70:1
Secondary Resistance: Less than 2000 Ohms
http://www.msdpowersports.com/Products/ ... ed-Ground/
Output Voltage: 30 KV
Primary Resistance: 0.2 Ohms
Turn Ratio: 70:1
Secondary Resistance: Less than 2000 Ohms
That type for coil needs an electronic control to limit the primary current, to about 4amps. If you used them, the primary current would be, 12V/0.2ohms equals 60amps, or almost a complete short. It would fry the wiring.