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Re: 76 MGB Fails Breathalyzer

To: "Steve Conley" <swconley@foxinternet.net>, <Thecarguru@aol.com>,
Subject: Re: 76 MGB Fails Breathalyzer
From: "British Sportscar Center" <Lawrie@britcars.com>
Date: Sat, 1 Jul 2000 11:12:44 -0700
The quick fix for excessive hydrocarbons is to open the valve clearances (to
as much as 25 thou. will keep the engine running, just very noisily) to
allow a more complete burn before the exhaust valve opens.

Lawrie
British Sportscar Center

----- Original Message -----
From: Steve Conley <swconley@foxinternet.net>
To: <Thecarguru@aol.com>; MG List <mgs@autox.team.net>
Sent: Saturday, July 01, 2000 11:00 AM
Subject: 76 MGB Fails Breathalyzer


> Listers-
> My '76 MGB failed the HC (hydrocarbon) portion of the WA emissions test.
> It's equipped with the stock Z-S and I have the air pump removed, but the
> rest of the emissions stuff is on.  The pump still works, just not very
> well.  It blew a 647 with a 600 required to pass.  This was at idle,
passed
> OK revved up.
>
> Any suggestions on tweaks that might help me pass?  Would the air pump
such
> as it is help the HC number?
>
> TIA
>
> Steve Conley
> Marysville, WA  USA
> '76 MGB Roadster
> swconley@foxinternet.net
> MGB Online: http://web3.foxinternet.net/swconley
>
>


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