Engine won't fire - Team Camaro Tech
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post #1 of 6 (permalink) Old Jun 11th, 19, 07:56 PM Thread Starter
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Matt
 
Join Date: Jun 2019
Location: San Diego, CA
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Engine won't fire

Hey guys, hope this is the right place to post this question... I have 69 with a 406. Recently rebuilt engine. Just got it up and running since the rebuild. Was running good up until I had it idling in the drive way and the radiator/water pump hose popped off. Coolant pissed everywhere. I immediately shut it off. Got a new hose and clamp hooked up. Got the coolant all filled back up. Cleaned up. However now I can't get it to fire when I crank on it. I checked for spark and it's good. I checked a few cylinders for compression and they were consistently 150. The fuel is flowing through the carb. I tried jumping it to see if the battery was too weak. Any tips or things you'd recommend I look at? Really appreciate any info. This is my first project car and learning along the way.
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post #2 of 6 (permalink) Old Jun 11th, 19, 09:18 PM
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Brandon
 
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Re: Engine won't fire

When you say you've got spark. is that at the spark plugs or only from tension lead at coil to the cap? If the latter, it's possible your points are welded if you have a normal dizzy.. Pull the cap and first check for moisture, if found dry it out, the spark is traveling to the dizzy body into the engine. If no moisture, twist the dizzy shaft and watch the points contacts to make sure they are either opening or moving either closed or more open. I might lean more towards wet dizzy cap from the spray.

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post #3 of 6 (permalink) Old Jun 12th, 19, 09:03 AM
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Brian
 
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Re: Engine won't fire

I assume coolant went everyplace? How soon was it cleaned up, it is nasty stuff and you may have to inspect your starter, and connections for corrosion. Does the starter sound normal or running half speed?


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post #4 of 6 (permalink) Old Jun 12th, 19, 11:26 AM Thread Starter
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Matt
 
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Re: Engine won't fire

Thanks for the replies guys. It has spark at the plugs. I do have a normal distributor and pulled the cap to check for moisture. Found none. The coolant did pretty much spray everywhere on the passenger side. I cleaned it up as soon as it cooled down a little. The starter sounds fine it cranks well. Oil pressure is about 40 when it cranks.

Brandon I am happy to try the dizzy test you mention and report back. I will first have to google-fu to make sure I know what I am looking at.
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post #5 of 6 (permalink) Old Jun 12th, 19, 11:39 AM
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Brandon
 
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Re: Engine won't fire

If you have spark at the plugs there should be ignition in the cylinders. Do recheck point gap and condition of the points. It's possible that they pitted out real bad and you have a week spark. Which then may be your coil being the issue. For grins and giggles, pull a plug and see if it is wet and smells of fresh gas after trying to start it. If you've got spark at the plug and it's wet with no combustion occurring at all, then it's a timing issue for sure. Whether it's the timing being off, the points being pitted too badly or a weak coil putting out too little spark. One other thing. .You didn't mention whether when it turned over if it tried to run and died or not. If that's the case, then look at the resistor on the firewall and make sure that its still good. You may be getting spark while cranking, but that would only be because the resistor is bypassed at cranking.

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post #6 of 6 (permalink) Old Jun 12th, 19, 12:06 PM Thread Starter
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Matt
 
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Re: Engine won't fire

I will check the distributor and the resistor. It does not try to run and die... it just cranks indefinitely with no combustion at all.
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