On Fri, 1 May 1998, Joe Curry wrote:
> Does it say what carb. setup that is for? I recall reading (but I can't
> for the life of me remember where) that the 2-4 psi setting is correct....
> Edward Hamilton wrote:
> >
> > According to the Spitfire 1500 Competition Preparation Manual, "A fuel
> > pressure regulator should be mounted on the firewall to enable fuel
> > pressure to be maintained at 3.5 - 5 lbs. sq./in."
FWIW, the specification for the original AC mechanical pump, as given in the
Herald, Vitesse 6, Spitfire (through Mk.3) manual is 1.5-2.5 lb./sq. in.
A "prepared" engine might require a bit more, but I suspect anywhere in
the 2-4 lb./sq. in area is probably sufficient.
--Andy
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