Thread: Problems??????????
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03-24-2009 01:49 PM #1
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Problems??????????
I got problems. I started my 350 and it will not idle or run right. I have readjusted the valves and the timeing. I pulled my plugs and they are burnt bad. It sounds to me like fuel problems or carb problem. Any ideas
Thanks
ChevyDave
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03-24-2009 02:32 PM #2
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Vacuum leak.
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03-24-2009 04:14 PM #3
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What color are the plugs?
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03-24-2009 06:16 PM #4
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Yep, probably a vacuum leak. Got a propane soldering torch? Blow propane around the carb base, manifold gaskets, etc. If it rev's up, you've found it. Ether works too, or WD40.
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03-24-2009 07:28 PM #5
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The plugs are black and on some it looks like there still pritty wet. If you have the cam 180* off will the motor even fire. I am 99.9% sure it isnt but my father in law continues to say thats the problem keep in mind he hasnt even looked at it.
ChevyDaveLast edited by ChevyDave; 03-24-2009 at 08:41 PM.
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03-24-2009 08:47 PM #6
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The motor has an internal vacuum leak. It's sucking fumes from the crankcase into the intake runners because you don't have a good seal at the bottom of the intake manifold. Read this procedure to correct.....
http://www.crankshaftcoalition.com/w...ak%2C_internal
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03-24-2009 09:03 PM #7
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These heads and block were matched up in a running pair not long ago the only thing that was done to them was block was bored head heads rebuilt. Can this still be a problem tech?
ChevyDave
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03-25-2009 01:38 AM #8
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Pretty easy to solve. Pull the intake and see if you're getting a pinch on the gaskets top to bottom and end to end.
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03-25-2009 09:34 AM #9
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Cool deal I will give it a try and see what I come up with.
Thanks
ChevyDave
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03-25-2009 08:05 PM #10
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It was the carb. I went and got a carb off a friends car and slapped it on there and she ran like a charm. Thanks for all the help.
ChevyDave
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