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Old 12-17-2015, 06:40 PM   #1
cfan10
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Cool Video troubleshooting? No start?

1984 c10 305 4 barrel edelbrock 1406, th350
No start has gas in driver tank, only using one tank. Plugs are .45 gap the timing on damper is 4 btdc, new fuel pump, lines and clear filter fuel is getting up to the carb. New arc seal in distributor cap. Firing order is right, but the two of the plugs don’t look great most are sooty and two are rusty, they aren’t even a year old. As always your help is greatly appreciated.

youtube video
https://youtu.be/QKFsnwbMZF8
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Old 12-17-2015, 06:41 PM   #2
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Re: Video troubleshooting? No start?

First photo is the #1 spark plug.
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Old 12-17-2015, 06:53 PM   #3
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Re: Video troubleshooting? No start?

Loosen the distributor and rotate it 1/2 inch (or there abouts) counter clock wise.
Leave it loose so you can advance or retard it until it starts.
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Old 12-17-2015, 07:01 PM   #4
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Re: Video troubleshooting? No start?

Thanks. My mom actually has insisted that it was a timing issue.
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Old 12-17-2015, 07:28 PM   #5
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Re: Video troubleshooting? No start?

Do you have a fuel regulator set at 5 psi for that carb?
Eddy carbs don't like fuel pressure.
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Old 12-17-2015, 08:35 PM   #6
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Re: Video troubleshooting? No start?

Before moving the distributor you need to verify that you are getting spark. Pull a plug wire, stick a screwdriver in there and going it out while someone turns the key. If you have spark and you have fuel then you can check firing order. BTW, a 1/2" is ALOT to move the distributor. The littlest movement will change timing several degrees.
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Old 12-17-2015, 09:59 PM   #7
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Re: Video troubleshooting? No start?

1/2 inch is 6 to 12 degrees depending where you measure.
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Old 12-17-2015, 10:02 PM   #8
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Re: Video troubleshooting? No start?

Quote:
Originally Posted by geezer#99 View Post
1/2 inch is 6 to 12 degrees depending where you measure.
Still not the orrect way to do it. And since the OP sounds like he doesn't have much experience that could really throw him off.
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Old 12-19-2015, 03:36 PM   #9
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Cool Re: Video troubleshooting? No start?

Quote:
Originally Posted by 68c10owner View Post
Still not the orrect way to do it. And since the OP sounds like he doesn't have much experience that could really throw him off.
She, lol but thanks.
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Old 12-19-2015, 03:50 PM   #10
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Re: Video troubleshooting? No start?

Quote:
Originally Posted by cfan10 View Post
She, lol but thanks.
Sorry, no name was posted.
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Old 12-17-2015, 10:10 PM   #11
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Re: Video troubleshooting? No start?

Checked the carb and make sure it isn't all gummed up inside. The ethanol in fuel these days can cause alot of issues, especially with carbs.
I had a similar issue. It started as intermittent hard starting issues. After a few weeks it just wouldn't start. Opened up the carb and found all kinds of crud caused by the ethanol.
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Old 12-17-2015, 10:04 PM   #12
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Re: Video troubleshooting? No start?

Need to make sure there is spark before you even consider messing with the timing. Make sure the 12 wire is still connected to the distributor.
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Old 12-18-2015, 10:58 AM   #13
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Re: Video troubleshooting? No start?

I recently had a no start issue myself. The truck is new to me so I am learning as I go.

I had an inline filter but checked the carb filter and the PO left the spring and cap in there - Have you checked that filter area?

Have you tried putting a bit of gas into the carb vent? Someone gave me that tip on this forum and after I did it with no success I suspected spark issue.

I pulled a plug and they were all black - I changed all the plugs and put a new inline fuel filter and it fired right up first try.
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