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Old 08-21-2009, 08:52 PM
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Toasted HEI ignition module?

Is it possible to screw up an ignition module with a strong magnetic field? I was installing a distributor re-curve kit and used one of those really strong magnets-on-a-stick to retreive one of the spring clips that had fallen down next to the module. Now it runs like crap, keeps changing idle speed, missing, etc. I put the old weights and springs back in--same thing. It's one of those budget aftermarket HEI's, but it always worked OK before. I didn't do anything except change out the weights and springs. This is driving me crazy!

Thanks for your advice!

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Old 08-21-2009, 09:09 PM
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It wouldn't have affected the module, that is solid state electronics, but it could have a bad effect on the magnetic pick-up....but I don't know for sure what its effect on the pick-up would be, it is just a guess. Magnetic things don't like being around other magnetic things.
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Old 08-21-2009, 09:14 PM
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You're right! I hadn't thought about the pickup. Are those replaceable or can I use this as an excuse for a new dizzy?
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Old 08-21-2009, 09:17 PM
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They are replaceable, the distributor has to be almost completely stripped however, you have to remove the gear and the shaft to get the pick-up out.
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Old 08-21-2009, 09:31 PM
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OK, I've got it stripped down again now. I guess I'll replace it and see what happens. Thanks!
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Old 08-22-2009, 10:56 AM
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Please post your fix when you get to it.
Enquiring minds want to know!!!
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Old 08-26-2009, 08:44 PM
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White stuff?

OK, I got another HEI fromo the junkyard and swapped out the innards, haven't had time to test it yet--but anybody know what the white goop is that they bed the ignition module in? Both the stock one and the aftermarket one I bought had this stuff under the module. Looks kind of like zinc oxide diaper rash ointment. . .
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Old 08-26-2009, 09:14 PM
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heatsink paste. and it is required
it helps transfer heat faster then just metal on metal
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Old 08-26-2009, 09:23 PM
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Thanks! Never heard of it. They have it at parts stores?
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Old 08-26-2009, 09:23 PM
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not sure, but you can find it at any computer store
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Old 08-27-2009, 11:00 AM
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Radio Shack has it.
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Old 08-27-2009, 11:42 AM
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another point is buy a quality module from NAPA etc.
dont get the chinese made ones from advance auto-autozone or pep boys.
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Old 08-27-2009, 01:36 PM
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Yeah, I could see replacing the module at the same time. Is it worth it to get one of the higher-voltage Pertronix or Accell ones, or are those made in China too?
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Old 08-27-2009, 06:15 PM
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The magnet in a pickup tool would not be strong enough to affect anything permanently.
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Old 08-27-2009, 06:52 PM
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Quote:
Originally Posted by MorrisonLC
Yeah, I could see replacing the module at the same time. Is it worth it to get one of the higher-voltage Pertronix or Accell ones, or are those made in China too?
go to napa they got the good ones
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