Does anyone suggest gasket seaker on the maniforld gasket. Mine leaks with
a new rebuild & a Moss supercharger.
Phil
----- Original Message -----
From: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>
To: "Ed Woods" <fogbro1@comcast.net>; <mgs@autox.team.net>
Sent: Thursday, July 23, 2009 9:08 AM
Subject: Re: [Mgs] manifold vacuum
> Sounds about right, it depends on the damping as to how much flutter you
> get.
> My Redex gauge has a damper screw on the pipe on the back of the gauge to
> compress the tube and eliminate the fluttering for driving, you open this
> up
> when tuning and diagnosing for greater sensitivity. It's difficult to
> describe the difference between flutter and pulsing due to a defect,
> except
> the fluttering is regular whereas a downward pulse occurring just one beat
> in
> four is a cylinder defect. If you have fluttering and pulsing then you
> probably do have a problem.
>
> If you have manifold vacuum then *any* distributor will increase the speed
> and
> advance with the vacuum connected at idle compared to disconnected, this
> is
> because there is near full vacuum at idle with manifold vacuum, as opposed
> to
> zero with carb vacuum. 16-17 degrees of vacuum is more than the maximum
> point
> for any MGB distributor, which varies from 8 in Hg. to 15 in Hg, so you
> will
> be at maximum vacuum advance, which can be anything from 6 to 24
> *additional*
> degrees.
>
> PaulH.
> ----- Original Message -----
>
> What's the expected manifold vacuum on the MGB at 900 rpm? Mine's reading
> 16-17. Should it be rock steady or is a variation of 1 inch acceptable?
>
> Anybody out there using a Pertronix distributor? With the vacuum advance
> connected, "idle" speed goes to 2000 and ignition advance to 30 degrees
> from
> a 7 degree advance when disconnected!
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
>
>
> You are subscribed as mg1948@verizon.net
>
>
> Mgs@autox.team.net
> http://autox.team.net/mailman/listinfo/mgs
>
> http://www.team.net/archive
--
I am using the free version of SPAMfighter.
We are a community of 6 million users fighting spam.
SPAMfighter has removed 171 of my spam emails to date.
Get the free SPAMfighter here: http://www.spamfighter.com/len
The Professional version does not have this message
_______________________________________________
Support Team.Net http://www.team.net/donate.html
Mgs@autox.team.net
http://autox.team.net/mailman/listinfo/mgs
http://www.team.net/archive
|