Bostonian 71 demon

rmchrgr said
What drives the second head, gears or belt? Have fun phasing that contraption! I’ve only really seen the crossed dual distributors with the meshed shaft gears. What years were these types of dual distributors in use, like mid-‘70s

Regardless, you got some cool parts for this thing. It’s pretty ambitious to find and use all this relatively rare 45-50-year old technology and try to make it run a number consistently. I can barely handle one distributor, two might make my brain fall out.
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It is a belt drive these came about in 71 sox's and martin ran these. so did the ram chargers and the Billy the kid car. Landy built the cross drive off a hilborn fuel pump drive then accell made there's off modified tach drive components. These are the predecessor too modern mag drives in top fuel and funny car combos. and to phase them isn't to bad they are set of static tdc and the crank trigger is the adjustment.