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poppagem
tinkerer
Joined: 29 Mar 2002
Posts: 87
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 Posted: Mon Oct 07, 2002 10:56 am Post subject: black smoke |
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| ok i did a compression test on my g161 and got 1200 in pots 1-2-3 and 1150 in pot 4,which by gregory,s is ok,but why am i getting heaps of black smoke?also used about a litre of oil to go from brissy to gold coast and back? |
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Frederick Stienheld
petrol head
Joined: 05 Sep 2002
Posts: 2719
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| Posted: Mon Oct 07, 2002 2:06 pm Post subject: Re: black smoke |
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| black smoke is usually from burning excess fuel caused by your carby running too rich. Burning oil usually gives you blue smoke. Do you have any oil leaks? |
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Gold TX Sleeper
backyard mechanic
Joined: 05 Feb 2002
Posts: 509
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| Posted: Mon Oct 07, 2002 2:25 pm Post subject: Re: black smoke |
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Is there a possibility that oil is getting past your valve stem oil seals and into the combustion process? Maybe they're shagged. It's just an idea to go on seeing as though your compression is fine but it's losing alot of oil. Does the engine overheat at all? Your engine will start to chew oil if it overheats too much as well.
Cheers,
Jasyn... |
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poppagem
tinkerer
Joined: 29 Mar 2002
Posts: 87
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| Posted: Mon Oct 07, 2002 3:16 pm Post subject: Re: black smoke |
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yep motor has alway,s run hot,dont have any oil leaks.
but when i got the car the timming tensioner was gone,and when i redid it i can see where the vales have hit the pistons,mostly on the outlet vales. |
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daCoupe
rice boy
Joined: 24 Sep 2002
Posts: 41
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| Posted: Tue Oct 08, 2002 5:47 pm Post subject: Re: black smoke |
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| maybe u have a burned out valve |
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