05-18-2009, 09:09 AM | #1 |
Getting Wild
Join Date: Apr 2009
Location: Augusta, GA
Posts: 122
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Workhourse Is Smoking
So I took my cart for a long ride yesterday. I went down a long hill and when I got to the bottom and the engine started pulling again it smoked a good bit. Toward the end of the ride I was coming down a rough hill. So I was basically giving it a little gas then coast, little gas and coast. When I reached the bottom and accelerated I had a ton of blue smoke coming out for two or three seconds then no smoke. It has always smoked a little bit but I had always figured it was my unclean engine. Now that its clean the smoke I'm seeing is coming from the exhaust. I changed the oil two or three weeks ago and the oil level is perfect. Not too high, not too low. Any ideas guys?
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05-18-2009, 09:29 AM | #2 |
****tard supreme
Join Date: Jun 2008
Location: waldo,wisconsin
Posts: 5,401
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Re: Workhourse Is Smoking
sounds like valve guide seals, when your spinning the engine with the carb closed it builds more vacuum in the block, pulling oil passed the seals. something you see with a worn car and truck engine with a stick trans, you see a puff of blue out the tail pipe when it shifts
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05-18-2009, 09:44 AM | #3 |
Born Wild
Join Date: Mar 2007
Location: Clover SC.
Posts: 5,552
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Re: Workhourse Is Smoking
run it till you can't stand it any longer then rebuild or swap it for a rebuilt. I had a 97 workhorse was like that when I bought it, It lasted for better than a year before I replaced the engine. The cart ran great but smoked some, would do the same thing on the downhills. After a good year of abuse it got to smoking all the time (was like a fog machine) and I finally swapped in another engine. I would of done it sooner but I had other carts and I needed somethine to keep the skeeters down.
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05-18-2009, 10:14 AM | #4 | |
Getting Wild
Join Date: Apr 2009
Location: Augusta, GA
Posts: 122
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Re: Workhourse Is Smoking
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05-18-2009, 10:18 AM | #5 |
****tard supreme
Join Date: Jun 2008
Location: waldo,wisconsin
Posts: 5,401
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Re: Workhourse Is Smoking
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05-18-2009, 10:22 AM | #6 | |
Getting Wild
Join Date: Apr 2009
Location: Augusta, GA
Posts: 122
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Re: Workhourse Is Smoking
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05-18-2009, 10:28 AM | #7 |
Born Wild
Join Date: Mar 2007
Location: Clover SC.
Posts: 5,552
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Re: Workhourse Is Smoking
When you first replaced the piston/rod did you hone out the cylinders and re ring the pistons?
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05-18-2009, 10:43 AM | #8 |
Getting Wild
Join Date: Apr 2009
Location: Augusta, GA
Posts: 122
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Re: Workhourse Is Smoking
When you say "hone" I'm assuming you're talking about having it bored out. No I didn't do that. There was no damage to the sleeve where the piston head goes so I figured I was okay.
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05-18-2009, 11:52 AM | #9 |
Born Wild
Join Date: Mar 2007
Location: Clover SC.
Posts: 5,552
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Re: Workhourse Is Smoking
honing is to break the glazing on the cylinders so rings will seat and make a good seal. it would have been a good time to do that with the engine apart and all. there's really no chance of putting the rings back in the cylinders and having them be in the same place they originally seated. The cylinders walls get oiled by oil slinging off the crank, on these engines both pistons move together, when they rotate down it creates pressure in the casing, if your carb is closed off a vacuum is created above the piston, any oil that is on the cylinder walls will get sucked up passed the piston if the rings aren't sealing off properly. If your rings don't seal off this effect is magnified because of the valve timing, just as the pistons start their downward stroke, the case is already somewhat pressurized from the compression blow-by of a compression stroke. It kinda makes a steady stream of air blowing out the pcv which is why they blow oil out that line and into the breather.
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05-18-2009, 12:05 PM | #10 | |
Getting Wild
Join Date: Apr 2009
Location: Augusta, GA
Posts: 122
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Re: Workhourse Is Smoking
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