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6al takes pills or you need the adjustable box.Is the tach bot reading correct is that the question?Or isnt it hitting the limiter?Rocky


the 6al takes the pill or you can plug in the MSD module selector which has a dial and you can adjust 200 rpms at a time.....mine goes from 6000rpm to 8200rpms....
to me it seems the box is telling the tach the wrong rpms because its breaking up which means i am running into the rev limit i set it for....
i shifted at 6800 on the tach...its breaking up...i set the limiter for 7200 and its telling my tach its 6800