And we have a winner!
Thanks again. I thought the coil wire was bad, but it turned out that it was just the coil. It all looks nice and invisible now.
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| I Can See My HEI Coil Sparking - Bad? https://www.slantsix.org/forum/viewtopic.php?t=53536 |
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| Author: | 63valconvert [ Tue Oct 08, 2013 5:24 am ] |
| Post subject: | I Can See My HEI Coil Sparking - Bad? |
Ok, so I knew I had a leaky wire (it appears to be the primary coil wire), because every time I change the timing (still messing with it, actually) I get a little shock. Had a little insomnia tonight and checked the wires, and at least one and possibly more is leaking. But the weird bit is that I can actually SEE the HEI coil sparking. It's the full-GM truck setup with the heat sink. This can't be good, right? Am I missing something? |
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| Author: | Joshie225 [ Tue Oct 08, 2013 10:21 am ] |
| Post subject: | |
The coil insulation is shot. You need a new coil. Check your cap and rotor for wear and all your wires for resistance as that puts more stress on the coil. |
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| Author: | 63valconvert [ Tue Oct 08, 2013 4:40 pm ] |
| Post subject: | |
Quote: The coil insulation is shot. You need a new coil. Check your cap and rotor for wear and all your wires for resistance as that puts more stress on the coil.
Well, the thing was used in the first place, so I went for the change. Feels a little better. I'll do a seeing eye check when it gets dark.Thanks! |
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| Author: | 63valconvert [ Wed Oct 09, 2013 7:04 am ] |
| Post subject: | |
And we have a winner! Thanks again. I thought the coil wire was bad, but it turned out that it was just the coil. It all looks nice and invisible now.
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| Author: | WagonsRcool [ Fri Oct 11, 2013 4:50 pm ] |
| Post subject: | |
Anytime I suspect a problem with ignition secondary, I do a "wet test". Fill a spray bottle with water & a teaspoon of salt. Spray it on plug wires, distributor cap, & coil of a running engine- (if needed, put the trans in gear while applying the brake & give it some gas to load the engine). If the engine now runs rough & misfires then you found a weak part- repair as needed & retest. If it runs ok then rinse off the saltwater & keep on driving! |
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