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Author Topic: No start....  (Read 7359 times)

R. Dave Carr

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No start....
« on: July 01, 2011, 08:48:38 PM »

Ok gang, '67 Newport, 383 2-barrel, Mopar electronic ignition.  Sat for about a year and a half or so.  Cranks over great, has spark, but will not fire.  Even poured some gas down the carb, and nothing.  Suggestions?
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1968 Newport Convertible

Snotty

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« Reply #1 on: July 01, 2011, 09:12:22 PM »

I was thinking that the timing chain might be broken, buit if it is you would not have the spark....  No ideas here Dave.  Is there compression?
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Steve

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No start....
« Reply #2 on: July 02, 2011, 08:41:57 AM »



There is a rotor in it right?
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« Reply #3 on: July 02, 2011, 09:45:38 AM »

Wouldn't have spark if there was no rotor, at the plug end. Rotate the engine over to line up the timing mark. After that is done, grab the harmonic balancer and see if there is any slop in the chian, it feels like a loose rotation before more parts start moving, shouldn't be more than a tiny bit or turn before you feel resistance increase. Timing mark lined back up, pop the distributor cap and make sure the rotor is pointing at number one or number six sparkplug wire on the cap. If not, adjust. There should be a vent on the carb where you can fill the bowl with fuel, it helps to ensure there is enough fuel that when you operate the throttle, fuel squirts. With this amount, it should priime the fuel pump from turning after a couple seconds and take care of itself.
 
Fuel and timing/spark at the plugs are the two quick checks, after that it is compression and timing chain.
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R. Dave Carr

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« Reply #4 on: July 02, 2011, 12:17:05 PM »

She's cranking normally, and he did nothing to it except for add fluids to it.  He only drove it a few times because he had lost his license.   It's just sat for a long time.  I had given it a fresh tune-up before I sold it to him.
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1968 Newport Convertible

R. Dave Carr

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« Reply #5 on: July 02, 2011, 12:19:25 PM »

Can someone show me this vent so I know where to put the fuel in the carb?
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Steve

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« Reply #6 on: July 02, 2011, 12:48:12 PM »



Not if he checked the spark at the coil wire
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R. Dave Carr

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« Reply #7 on: July 02, 2011, 12:57:07 PM »

Yes, I checked at the coil wire.   I was pretty conservative with how much gas I added.carrman2011-07-02 17:57:47
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« Reply #8 on: July 02, 2011, 01:32:22 PM »

Look for a vertical tube at the front side of the venturii, between the two butterflies. I just looked at a picture and it is there(if it is the same model). You should be able to stick a wire down it to verify it is a vent tube, which goes into the bowl and allows atmospheric pressure to prevent vapor lock. Stick a tube in it and pour about three ounces of gas in her that way.  If the accelerator pump squirts, when she starts, the vibration should fix a sticking needle, and should turn over enough to get the fuel pump to push gas into the carb. 
 
And check the spark at a plug itself now that you know the coil is good.
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R. Dave Carr

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« Reply #9 on: July 02, 2011, 03:11:00 PM »

There is only one butterfly.
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1968 Newport Convertible

Steve

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« Reply #10 on: July 02, 2011, 05:06:45 PM »



Loosen the fule line a tad and see if it's pumping fuel
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Stitcherbob

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No start....
« Reply #11 on: July 02, 2011, 05:41:15 PM »

clean & gap the plugs


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« Reply #12 on: July 02, 2011, 06:24:56 PM »

OK Steve, some carbs don't have vent tubes accessible, and I do know Mopars are some of them, just one of those things.
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R. Dave Carr

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« Reply #13 on: December 20, 2011, 04:35:51 AM »

Well, I added two gallons fo gas last night, and will add another 2 today, then it's starting fluid and battery cart rime.  Wish me luck.
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« Reply #14 on: December 20, 2011, 07:44:01 AM »

As long as you have spark and fuel to the carb, she should start, based on nothing else altered while sitting.  Wishing you luck, as asked for.
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