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Re: Smoking 73 BGT

Subject: Re: Smoking 73 BGT
From: "Lawrie Alexander" <>
Date: Fri, 24 Apr 1998 13:22:16 -0700
Alan......Tailpipe rules to remember............

Black smoke equals excessively rich mixture
Blue smoke equals burning oil
White smoke equals real trouble......

British Sportscar
-----Original Message-----
To: 'MG List' <>
Date: Friday, April 24, 1998 11:10 AM
Subject: Smoking 73 BGT

>Hi again
>I just recently bought a 1973 MGBGT in need of much
>restoration and attention.
>On driving it home (it runs!) my wife was following and
>noticed a fair amount of black smoke from the exhaust
>when I accelerated.  I immediately thought oH no not the
>piston rings etc.
>Anyway a bit of background this car has been sitting for
>about 2-3 years, the previous owner claimed he started it
>up every two months or so.  The oil looks pretty dirty,
>the car seems to run ok. the plugs are black.
>I checked the compression 'dry' last night, but the engine
>was cold.  I got  120, 105, 110, 115 psi, which is not great,
>but is this bad enough to cause the smoking, or are the carbs
>just set too rich.  Obviously I need to put in fresh oil etc. before
>I consider further driving etc..
>Which direction should I be directing my efforts.  I really don't
>want to have major engine work, (obviuosly) - partly because
>this is the first MG I have come across that doesn't leave
>oil drips on the garage floor (yes there is oil in it)
>Thanks again for any comments.
>Alan B.'
>1978 Roadster (no smoke from exhaust)
>1973 MGBGT (Smokin!)  

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