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03-20-2007, 12:21 AM
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#1 |
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Wishin' I had more money!
Join Date: Feb 2007
Location: Eugene, OR
Posts: 1,242
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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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03-20-2007, 03:16 AM
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#2 |
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The Crazy Machanic
Join Date: Jan 2007
Location: Nokesville Va
Posts: 1,437
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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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*1986 Sliverado longbed 400 small block mean as hell, 700r4 trans (5 speed coming one day)  * 1970 chevelle 2dr sedan Latest update June 24 2007.  *1957 4 door stationwagon - pink all original needing a good restore (body great, floors bad)  newest additions 1965 shortbed fleet great granddads. Been told im nuts to bring it back from the dead (still going to happen) plans-all stock with a turbo 292 inline 3 speed column shift. and thats it big block 427 and 5 speed trans and ford 9 inch theyhave no home yet thinking what to put them in and a 79 c60 trash truck um no idea i have one
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03-20-2007, 06:55 AM
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#3 |
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Mad Scientist
Join Date: Jul 2005
Location: Enola Arkansas
Posts: 380
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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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 Everythang relates to Beer!86 1/2ton on tons! sbc/465/208/D60/14/35's 81 Postal....with 468 bbc 97 Merc Marq comuter 07 Suburban 02 Danger Ranger |
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