On Tue, 5 Apr 2005, at around 08:39:42 local time, Nolan Penney
<[EMAIL PROTECTED]> wrote:
Toyota and others simply weld the flange down lower on the pipes a bit,
allowing them to stick up into the iron upper manifold a little. In the
case of a Spitfire, you'd have to weld a little stub pipe onto the lower
manifold to duplicate the effect. Not quite as good as making a new one
complete, but it should be fine.
As long as you don't go wild with the new tube section, it's not going
to hurt flow appreciably. You could even use a smaller pipe section
that slipped into the existing pipe without doing much of anything to
the flow. The muffler is far more restrictive.
Only if you go wild with small diameter pipe sections or sticking it
way up into the upper iron manifold would you adversely affect flow.
All you're after is blocking the exhaust gasses from going by the
gasket, nothing more.
Thanks for the clarification. I may well give this a go.
ATB
--
Mike
Ellie - 1963 White Herald 1200 Convertible GA125624 CV
Connie - 1968 Conifer Herald 1200 Saloon GA237511 DL
Carly - 1977 Inca Yellow Spitfire 1500 FH105671
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