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Classic Truck Discussion Board

Topic: No Spark
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Stan

08-26-2004 18:08:47
12.75.26.86
11041



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51 Dodge B3B

No spark when I turn her over.

I took the battery out for a few months while I did some
body work. Now I would like to start her just because
it's been a while and nothing. I first thought mabey it
wasn't drawing gas, (that may also be a problem). I
took out a plug and it was dry after cranking and while
out I cranked her and I don't see any spark on the plug.

Any thoughts.

Thanks in advance for any help

Stan

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db

08-27-2004 17:46:58
152.163.253.33
11061



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Re: No Spark in reply to Stan, 08-26-2004 18:08:47  
Did you maybe loose a ground strap between the engine and frame while doing the body work? Try a wire from the engine to the negative battery post to see.

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John McPherson

08-27-2004 06:30:09
216.251.170.20
11051



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Re: No Spark in reply to Stan, 08-26-2004 18:08:47  
First, see if voltage is available at primary side of coil. If there is, dress the points- even points on a vehicle stored for a few months can develop an insulating layer of oxide on the contact pads.

If that does not correct it, replace/check condensor, and then coil in that order.

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Stan

08-27-2004 22:11:37
12.75.27.69
11066



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Re: Re: No Spark in reply to John McPherson, 08-27-2004 06:30:09  
Thanks for the responses. It has been a while since I
have posted here and I see the hide feature is new, I
think. I have been checking E-Mail for a response to
my question with no luck.

As to a grounding strap. I beliveI have a good ground
from the battery to the Block but may not have a good
ground from the block to the frame. I'll check in the
morning.

As to dressing the points. I am not familiar with this.
Can you explain.

Thanks again

Stan

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John McPherson

08-28-2004 13:22:28
216.251.170.7
11070



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Re: Re: Re: No Spark in reply to Stan, 08-27-2004 22:11:37  
The points can be dressed with a small file (painfully slow and potentially painful), while still mounted in the distributor, but this removes enough material that the gap should be checked anyway when done.

However the easier method is to remove the points and dress them with a file, or if you have the type that can come apart, using a small fine stone like an oil stone- without the oil. If you are really good, you can restore a clean crown to the solid pad just like it had from the factory.

400 grit finishing paper or finer also works well, and sometimes is adequate for removing the oxide layer on the pads. The drawback is if you do this with the points still on the distributor, you run the risk of knocking abrasive material into the distributor where it might possibly cause some trouble later.

Which ever method you choose, when putting the points back in, run some clean coarse paper like a small piece of shopping bag between the pads to remove any oil residue that may have accumulated.

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Stan

08-29-2004 16:50:02
12.75.26.152
11078



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Re: Re: Re: Re: No Spark in reply to John McPherson, 08-28-2004 13:22:28  
John and db

Thanks for the help. I cleaned the points with a file
(while installed), and cleaned the connection between
the battery and the postivve battery cable. It started so
fast it didn't seem natural. Ran her for about 15 minutes
just to bring everything up to temperature, shut it down
and she started just like it came off the show room floor.

I won't wait so long the next time, but I have a least a
Winters worth of work to make her road worthy.

Thanks again for the help

Stan

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