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Discussion Starter · #1 ·
Anyone out there use an older super tach with a 6al Msd box? I've read that I may need an Msd 8910 or an 8920 depending the tach and how old it is. 8920 is quite expensive to just buy and have hanging around. Hate to try starting the car when the time comes without the tach working. Just not as much fun that way. Any input would be appreciated.
Thanks
 
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