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Randy H
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« on: July 13, 2006, 08:32:48 PM »
What would cause my timing to drop from 39 degrees at idle to about 26 degrees up off of idle? It is crank trigger with a 7AL-3. Any ideas?
Randy
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Richard Maitre
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« Reply #1 on: July 13, 2006, 08:48:35 PM »
First off is it possible that the gap in the pickup has varied? Is the wheel on concentric? This may sound stupid but can the pickup wire plug in either way? Plenty of voltage to it? Dont laugh at my responses, remember I am a cylinder head guy, I have no idea about electronics.

Rich
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Randy H
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« Reply #2 on: July 13, 2006, 09:34:17 PM »
It is possible the pickup is rubbing the crank trigger wheel.
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Harshman Automotive
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« Reply #3 on: July 14, 2006, 08:17:11 AM »
Do you have knock sensors?  Detonation maybe?
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Randy H
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« Reply #4 on: July 14, 2006, 08:38:47 AM »
No knock sensor. Just talked to MSD they said it could be because I powered the timing light up from my water pump wire. I will find out tonight.
Randy
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LarrySantucci
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« Reply #5 on: July 14, 2006, 07:47:21 PM »
Randy, check you PM's.

Do you have a timing computer or Retard box?  Check your distributor gear for worn / missing teeth (that has happen to me before).
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Randy H
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« Reply #6 on: July 14, 2006, 09:36:49 PM »
Changed ignition box and it fixed the problem. Thanks for all your ideas.
Randy
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Harshman Automotive
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« Reply #7 on: July 14, 2006, 09:39:13 PM »
in your box were you have the retards do you have all four zero pills in there because that will do it also
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