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Old 03-20-2007, 12:21 AM   #1
xtreme80
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Location: Eugene, OR
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Ignition Question...

Ok, I got a 1980 C10 2wd SWB with a 79 Crate 350, the GM 290hp crate.

I'm also using the stock ignition system (HEI). Stock coil, stock distributor, cap, etc.

I'm not too familiar with ignition systems or how it all works, but I do know one thing. When I looked at it, I knew it wasn't getting much spark. I did the trick of plugging a screwdriver into the plug wire and grounding it to see the spark jump. I showed my dad, and another mechanic, and both agreed that it didn't have much spark. We didn't bother with it at the time being that the truck was still having serious fuel issues at the time.

So my question is, what can I do to get more spark out of the stock ignition system? What are common things to check for? Cap, rotor, and plug wires are all new with about 1000 miles on them. At this point, I'm lost on what to check for, but the truck almost feels rough at idle, and I think the spark may be a factor in this...

Thanks for any help!
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Old 03-20-2007, 03:16 AM   #2
Srubydo1986
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Re: Ignition Question...

put in a new coil they go bad from time to time and need replacement. Plus with new coils you get a much better spark and better fuel milage. Other then that it cant be much else.
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Old 03-20-2007, 06:55 AM   #3
hiway
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Re: Ignition Question...

Coil and module. Also check to make sure your getting at least 12 volts to the dist.
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