In the V-8 EI disributer, the reluctor has two locating pin holes. There is also an arrow on the reluctor. Does any one know the purpose/reason for the two different holes? Is one hole used in small block clockwise rotation, and the other used for big block counter clockwise rotation?

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

That would be correct as I've seen in tearing down some LA and B distributors lately. Also this allows a V-8 guy to change the reluctor phasing if needed as the same situation happens on the Lean-Burn distributors...

But to put the idea into the blender, even if you used the wrong stake the V-8 distributors can just be twisted one way or the other to make up for for the offset anyway...


-D.Idiot

Hey, guess what? The FSM is a friend. It states this in the electrical section, on distributer repair. After I posted I thougth to take a look.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

The problem would not be timing, it is the rotor phasing. You would want the spark to occur while the rotor is close to the cap terminal, or you can wind up with cross fire.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

Sounds like an interesting experiment, I might have to make up one of each and see what the effects are on the dizzy machine if they are 'mis phased'.... I wonder at what speed the crossfire would occur...

Stay tuned...

-D.Idiot

I just saw a reluctor that has three (I think) grooves instead of just one. It's to allow changes in reluctor phasing. Now if I could just remember where I saw it!

I also noticed in an MSD distributor that the teeth on the reluctor were wider and flat, rather than delta shaped like MOPAR used. Would that give longer spark duration and/or sharper on and off events?

BC

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'64 Dart GT convertible, 64 Dart 170 2-door post sedan in faded blue and rust (the Az Dart) & a sixty THREE Dart 170 2-door post sedan in faded blue and rust. (future project)
Early Dart Disorder (EDD) is real, and I've got it!

There is a thread in FABO on reluctor phasing on a 318:

http://www.forabodiesonly.com/mopar/sho ... 1969779654

Olaf

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Aspenized