It IS possible that you really need "ported" vacuum, provided the dizzy is
not original and was designed for it.
Mike
'79B
----- Original Message -----
From: "smarc" <smarc@abs.net>
To: <WSpohn4@aol.com>; <mgs@autox.team.net>
Sent: Thursday, March 18, 2004 10:16 AM
Subject: RE: making power above 3800 rpm? Webers
<SNIP>
> It was pointed out to me that the distributor dashpot for a 1980 MGB
should
> be connected to MANIFOLD vacuum, as opposed to PORTED (carburetor?)
vacuum.
> I originally had it set up that way, but after some problems last year
> wherein I could not eliminate the pinking problem I was having, switched
it
> to PORTED vacuum. This made a huge improvement in the pinking problem, but
> now I wonder if perhaps I've just managed to mask the problem or make it
> worse? I was also asked what the timing was set at, but frankly, I'm not
> exactly sure since I think the timing mark is off by more than a little
> bit...
>
> Anyway, I'd rather muck around with the distributor before I tear apart my
> engine. I have the stock ignition, although I've had to replace the module
> in the ignition amplifier. I guess it's time to do some more reading...
> --
> -----------------------------------------------------------
> Marc Siegel, Charm Net, LLC. eMail: smarc@abs.net
> Baltimore, MD http://www.charm.net voice: 410/361-8160
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