[Berg]

I hear ya. I personally think it has something to do with the MSD box but it is hard to tell because all of the mods were done at the same time so it makes the process of elimination a little more difficult. I'd even bet a tach filter might fix it or maybe a bad diode in the alternator. Either way I think you'd have a nice ride. I've seen some guys at car shows with sweep style dashes with panels made to fill in the original cluster and filled with the owners choice of gauges and switches/buttons