I did a test years ago at the track. My friend has a distributor machine and I set 2 distributors up exactly like my 62 iron unit Dan Whittmore set up for my 455 with Accel points. One was a HEI and the other was OEM points but with Petronixs conversion. They all ran 12.10s I decided there was no power to be found in distributors as long as they work like they are supposed to.
I understand a crank trigger will get you 5-7 HP in a race engine though.
I have a couple of interesting old school duel point distributors. One is a Accel and the other is a Mallory. The one with the giant brass condensers on the outside. People just gave them to me because I am kinda the local Pontiac guy and they had no use for them. Maybe I will test them out one day but doubt I will find anything either.
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