Carb gasket, not manifold gasket. And it's at the intake side of the intake
manifold, not the "exit".
> -----Original Message-----
> From: David Littlefield [SMTP:dmeadow@juno.com]
> Sent: Wednesday, April 17, 2002 12:19 PM
> To: John.Deikis@med.va.gov
> Cc: spridgets-digest@autox.team.net
> Subject: Re: Intake restrictions
>
> John,
>
> Sounds like your head and your manifold were ported by a PO. The stock
> setup has a sleeve that fits into the head and the manifold that normally
> wouldn't allow a gasket to interfere with the flow. When the head and
> manifold are ported the step on both that accommodates the sleeve would
> be eliminated (as would the sleeve itself).
>
> Moss sells a "competition" manifold gasket that has larger holes for this
> reason.
>
> David Littlefield
> '62 MGA MkII
> '51 MGTD
> '74 MG Midget vintage racer
> '61 Jaguar E-Type OTS
>
> On Wed, 17 Apr 2002 11:07:25 -0500 John.Deikis@med.va.gov writes:
> > The carb to manifold gaskets are smaller in ID than the manifold
> > port. This
> > is also true for the holes through the heat shield. Lots of good a
> > 1 1/4-in
> > carb is if it has to flow through a 1 1/8 hole in the heat shield to
> > get
> > into the manifold. Finally, the carb side of the manifold has a
> > nicely
> > machined transition at the entrance (is that original?) but
> > absolutelty no
> > attention paid to flow through the remainder of the intake venturi.
> > Seems
> > peculiar to do just a little machining and not create a nice surface
> > all the
> > way through the manifold.
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