I'll agree with Bob on this one, as my top port on the carb. is plugged (I
believe this was for the EGR valve.) The bottom port goes to the fuel trap,
and then to the vacuum advance on the distributor.
Glenn Bowley
'75 Spit 1500
FM30644U
> -----Original Message-----
> From: Bob Norway [SMTP:examiner@scci.net]
> Sent: Tuesday, August 03, 1999 8:01 PM
> To: Terry L. Thompson
> Cc: spitfires@autox.team.net
> Subject: Re: EGR Valve
>
>
> "Terry L. Thompson" wrote:
>
> > My car currently has the EGR Valve coming off of the exhaust manifold.
> >
> > If I swap out my exhaust manifold for a header, (and thereby lose the
> > EGR valve) does the dizzy need to be modified for a mechanical advance?
> >
> > Also, would using an electronic ignition have any effect on this?
> >
> > Terry L. Thompson
> > '76 Spit 1500 (with older Dizzy)
> > Maryland
>
> Terry,
> I've got the same setup except for electronic ignition. Went thru the
> 'where does this line go' trip a couple of years ago. If you have a TRF
> catalog, you can find the proper hose routing in there.
>
> Bottom line.. if you put in a header ( I just did this weekend) the bottom
> port has a line that goes to the fuel trap and then to the vacuum advance.
> Without an EGR, you will have to cap off the upper port, or just route
> the
> line to it's fuel trap and then to the decel switch on the carb. (I have
> mine disconnected and the port capped off)
>
> Cheers,
>
>
> --
> Bob Norway
> Rockledge, Florida
> Home Page http://www.geocities.com/CapitolHill/Lobby/5953/mypage.html
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