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Old 09-20-2002, 02:22 AM
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Angry blowing smoke

I have a a new 350 and just replaced the carb. It ran great at first. 4,000 miles later, its blowing smoke (when its cold) and it hesates when I give it a little gas. Is it the air/fuel mixture? If so how do I fix it?

thanks.

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Old 09-20-2002, 03:18 AM
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No info on the kind of carb, but the mixture ratio doesn't just go out after time/mileage. If it's a Holley you might check for a blown power valve, you really need to supply more info.
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Old 09-20-2002, 05:32 AM
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[quote]It ran great at first. 4,000 miles later, its blowing smoke (when its cold) and it hesates when I give it a little gas.<hr></blockquote>

It sounds like it is in the enrichment (choke) circuit. Does it clear up once warm? How is the idle quality upon start? Does it have a choke pull-off/unloader.

And again, we need to know what kind of carb you have. Year and model of vehicle will help also.
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Old 09-20-2002, 09:15 AM
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how did you drive it for those 4000 miles?
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Old 09-20-2002, 10:36 AM
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If the motor's running way rich, your eyes will sting and tear up while you at a stand still. If the engine is using oil, the oil level will go down noticably between gas fill ups and the blewish smoke will, well, smell like oil! Your PCV valve could be clogged causing oil (blow-by) to sneak past the rings. The oil pan could be overfilled causing the crankshaft to overly mist the oil in the crankcase and saturate the cylinders. I can't think of anything else right now but like everyone's saying, give us some more info to go on. Good luck
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Old 09-20-2002, 07:51 PM
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Black smoke- fuel White smoke- water Blue smoke-oil. Some exceptions, but a good rule of thum.
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Old 09-21-2002, 12:57 AM
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Maybe I never noticed the inner beutie of smoke befor but oil smoke is white too.Blue is the colar of jeans,the ocean,the sky etc...Never seen them come out of a tail pipe.
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Old 09-21-2002, 08:53 AM
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Hey 78 Monte, You stick with us, man. You'll see all sorts of colors. I even see red when my wife tells me there's another little one the way. We're up to five of the little screamers! I know, I should go out and check the color of my tail pipe emissions more!!
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Old 09-22-2002, 07:40 AM
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hey man did you ever figure out what is causin all those kids....i did finally after 4 lol in my case it was the water i know it was so now i dont drink that crap aint had another one yet
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Old 09-22-2002, 08:08 AM
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Hey Not Mr. Goodwrench; It ain't me man. It's my wifes old night gown that she wears with all of those worn out spots in just the right places. I wish she'd get rid of that thing!!
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Old 09-22-2002, 01:03 PM
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Hey ted, i had a gas leak that happened to fall on my Headers and it boiled off as a white vapor that came pouring into the car, my nose and throat hurt for 2 weeks after that one....
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Old 09-22-2002, 05:48 PM
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That was...boiled gas, it should have had a green tint to it.
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Old 09-22-2002, 06:57 PM
E.T. divided by $ spent= Speed
 
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Ever burn copper in a camp fire???

[ September 22, 2002: Message edited by: 78 monte ]</p>
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Old 09-22-2002, 07:56 PM
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I blow a little white smoke when i rev up the engine. Its a 350. But only when i give it gas why is that. its only noticable if you are behind strairng at the tailpipes.
What could it be
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Old 09-22-2002, 09:05 PM
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How many miles on the motor???Do it use oil??Do it use coolant??Do it make bubbles in radiator??Do it only do it when you first start it??Do it make you annoyed when I keep saying do it??Do it??
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