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 Post subject: fouling plugs
PostPosted: Sat Jul 18, 2009 8:38 pm 
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848cc
848cc

Joined: Wed Mar 28, 2007 4:20 pm
Posts: 194
Location: Brisbane
I have a set of twin 1/1/4 SU carbs on my motor and the plugs keep fouling up. I have had tried several plug brands including NKG BP6ES & BP5ES all to no avail. The car is blowing a blacky blue smoke and smells fumey. Could this be valves not correctly adjusted? What should I be looking at? The motor is a 1275. Any help or trouble shooting please.


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 Post subject: Re: fouling plugs
PostPosted: Sat Jul 18, 2009 8:39 pm 
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This space for rent
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Joined: Thu Feb 08, 2007 12:40 pm
Posts: 5455
Location: Melbourne
If the exhaust smells fuelly, you're blowing soot and the plugs foul up easily then you've got your mixture too rich.

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The adventures of an owner builder in the Tallarook Ranges

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 Post subject: Re: fouling plugs
PostPosted: Sat Jul 18, 2009 8:43 pm 
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NAV-MAN
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Joined: Sun Jul 18, 2004 1:50 am
Posts: 1672
Location: Nothern Brisvegas
kaka wrote:
I have a set of twin 1/1/4 SU carbs on my motor and the plugs keep fouling up. I have had tried several plug brands including NKG BP6ES & BP5ES all to no avail. The car is blowing a blacky blue smoke and smells fumey. Could this be valves not correctly adjusted? What should I be looking at? The motor is a 1275. Any help or trouble shooting please.


do yourself a favour and give matt read a call on 0407 135 656. He'll get it running sweet for you.


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