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#26 |
Active Member
![]() Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: HELP PLEASE! Engine Trouble
It's not always that excessive fuel will ruin a spark plug but it may cause misfiring. My guess is the fouling causes the spark to jump the gap to ground. In most cases where the spark plug is new and clean it can be dried out an reused, however, the cause of the fouling has to be eliminated first.
If the spark plug already has oil or carbon buildup on top of the fuel soaking, it's best to replace them. From http://www.briskusa.com/basic_theory...plug_operation Fouling Will occur when spark plug tip temperature is insufficient to burn off carbon, fuel, oil or other deposits Will cause spark to leach to metal shell...no spark across plug gap will cause a misfire Wet-fouled spark plugs must be changed...spark plugs will not fire.
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68 GMC 250/3 speed Saginaw p/b p/s 69 Chevy 350/350 currently in pieces still lookin for a cab 06 Trailblazer I just want a vehicle that I can work on, that won't talk to me, leave error msgs or keep track of how I drive... |
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#27 |
Registered User
Join Date: May 2016
Location: Henderson NC
Posts: 975
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Re: HELP PLEASE! Engine Trouble
I don't know what causes it but I have seen cars that wouldn't start after flooding even after sitting for a couple days. Change the plugs and they fire right up and run normal. I had an old mechanic friend to show me this when I was a teenager and I didn't believe either until I saw it.
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#28 |
Registered User
Join Date: Jan 2010
Location: jacksonville Florida
Posts: 74
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Re: HELP PLEASE! Engine Trouble
I just wanted to thank everyone for your help!!!! 67 chevelle nailed it, It was the wire that ran from the distributer to the starter. I ran a new wire from the distributor through the fire wall to the ignition terminal and that ***** fired right up
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#29 | |
Registered User
Join Date: Aug 2013
Location: sumterville, florida
Posts: 914
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Re: HELP PLEASE! Engine Trouble
Quote:
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#30 |
Senior Member
![]() Join Date: Dec 2011
Location: Moraga, CA
Posts: 812
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Re: HELP PLEASE! Engine Trouble
Maybe it was good, but not quite good enough.
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(Very) Slow-Going Build Thread: Stock 1970 Short Step with Stock 1970 LT-1 http://67-72chevytrucks.com/vboard/s...d.php?t=567340 |
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#31 |
Registered User
Join Date: Jan 2010
Location: jacksonville Florida
Posts: 74
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Re: HELP PLEASE! Engine Trouble
It had spark but I don't think it was enough to keep it going
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#32 |
Active Member
![]() Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: HELP PLEASE! Engine Trouble
I think what confused a lot of us is the fact that you mentioned the truck ran find before it stopped.
However, if the truck was using the original resistor wire or if the wire was bad that would cause it not to have good spark also.
__________________
68 GMC 250/3 speed Saginaw p/b p/s 69 Chevy 350/350 currently in pieces still lookin for a cab 06 Trailblazer I just want a vehicle that I can work on, that won't talk to me, leave error msgs or keep track of how I drive... |
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