no juice to coil

1975IH200 said:
There should be adjustment provided by one of the screws.
Gap should be .010”.
What is your gap?

I don’t understand why you can’t restab and get the rotor movement of 21*.
Are you lifting the dizzy body up high enough to disengage the rotor shaft/gear and moving the rotor/shaft one tooth?
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The phasing is totally controlled by the internal timing of the distributor rotor and reluctor ring. If you restab the dizzy, the rotors timing related the to reluctor ring and cap terminals won't change.
 
well:
I will look at the cap and try your suggestion, or maybe the vacuum advance module can be moved (ever so slightly)
The only, only, only other possibility might be that the disto shaft is worn? But I would feel a looseness when moving the shaft from side to side or up and down. I will recheck, but I don't feel any movement that would be a sign of looseness.

Thanks,
 
Good morning all:
Sorry to take so long in responding to this thread. Been down with a bad flu bug for almost two weeks. No Bueno! Anyway, I found a shop out here in So. Cal that figured out my problem. After a tear-down/clean/re-phase, the disto works just fine now. My 77 SII starts up just fine, idles a hell of a lot smoother, and the throttle response is nice and crisp (and quicker). Yes, it was re-phased, and now the rotor clocks to the #8 post of the cap perfectly. I will drive my 77 SII around for a couple of weeks and update this thread. Since the "brainiacs" at PERTRONIX had no clue as to what my problem was, I plan to send them a very strongly worded e-mail. In a nutshell: the pin on the module plate (that swivels) that holds the vacuum advance armature is in the wrong place. It needs to be about 1/4 to 3/8 inch closer to the vacuum advance. Anyway, thanks to all for their input and advice, it is appreciated.
 
Richard said:
Good morning all:
Sorry to take so long in responding to this thread. Been down with a bad flu bug for almost two weeks. No Bueno! Anyway, I found a shop out here in So. Cal that figured out my problem. After a tear-down/clean/re-phase, the disto works just fine now. My 77 SII starts up just fine, idles a hell of a lot smoother, and the throttle response is nice and crisp (and quicker). Yes, it was re-phased, and now the rotor clocks to the #8 post of the cap perfectly. I will drive my 77 SII around for a couple of weeks and update this thread. Since the "brainiacs" at PERTRONIX had no clue as to what my problem was, I plan to send them a very strongly worded e-mail. In a nutshell: the pin on the module plate (that swivels) that holds the vacuum advance armature is in the wrong place. It needs to be about 1/4 to 3/8 inch closer to the vacuum advance. Anyway, thanks to all for their input and advice, it is appreciated.
Click to expand...
Good job!! Glad you got it fixed.
Bad news is that there are likely thousands of these bad setups out there. Yours isn't the only one (two) out there.
If you are up to it, communicate your fix along with photos and dimensions to Pertronix and the IH community.
 
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