Aftermarket CD ignition box recommendations

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dstemmerman

1972 Dart Swinger Denver
Joined
Oct 30, 2014
Messages
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Location
Denver
Need recommendations for a capacitive discharge ignition box. Going in a 408 / 550hp / 12:1 / E85 / max 7,000 rmp street driven 1972 Dart with current factory electronic ignition. I'm very familiar with all the MSD offerings but have heard not flattering opinions on those.
 
I ran a Jacobs ignition box and had lots of trouble right from new.
Went to MSD 6al and that box lasted 8 years.
Replaced it with another MSD 6al.
 
The installation has to be "right" on the MSD ignition, good power, good ground, etc. My buddy has a 20 yr old MSD 6 on his Dart Sport, no issues.
 
The installation has to be "right" on the MSD ignition, good power, good ground, etc. My buddy has a 20 yr old MSD 6 on his Dart Sport, no issues.

This is the 4th hotrod I have had an MSD 6 on , no complaints . 426 HEMI/ 2 SBC/AND NOW A 440/505" WEDGE.
 
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