Thread: Msd coil

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i have a blown 385 chevy, and i am running a msd distributer with a msd ss coil that puts out 40000 volts and the spark duration is for 250 us.
i am wondering if it would be better to swap coils to a msd blaster coil that puts out 45000 volts and the spark duration of 350 us. i do have a nos system on the car also and am wondering if having the extra power from coil would help to make sure the spark is not put out...
thanks

Originally Posted by 3rcfreak

i have a blown 385 chevy, and i am running a msd distributer with a msd ss coil that puts out 40000 volts and the spark duration is for 250 us.
i am wondering if it would be better to swap coils to a msd blaster coil that puts out 45000 volts and the spark duration of 350 us. i do have a nos system on the car also and am wondering if having the extra power from coil would help to make sure the spark is not put out...
thanks

I would keep your coil and buy a 6 AL box.

ooops forgot to mention that i am running a crane hi 6 and a msd adjustable timing control...the hi 6 has all the same features and specs that a 6al has..

For a street/strip car I don't think you will ever notice any difference.