Bob,
Also, check the condition of the hose. If it has a crack/hole/loose
connection it will not suck the coolant back in. Ever try to suck on a straw
with a hole in it? You don't get very far.
David Gates
'73 Spitfire 1500
Hawaii
http://members.aol.com/gatesdavid/index.htm <--- Rogues Gallery.
In a message dated 8/31/98 8:25:41 AM Hawaiian Standard Time,
glenn.bowley@gerbercoburn.com writes:
> Subj: RE: Rough Running and Coolant
> Date: 8/31/98 8:25:41 AM Hawaiian Standard Time
> From: glenn.bowley@gerbercoburn.com (Bowley, Glenn (GCICT))
> Sender: owner-spitfires@autox.team.net
> Reply-to: <A HREF="mailto:glenn.bowley@gerbercoburn.com";>
glenn.bowley@gerbercoburn.com</A> (Bowley, Glenn (GCICT))
> To: BODB@chevron.com ('Bollinger, Bob D. (BODB)'), spitfires@autox.team.net
(
> 'spitfires@autox.team.net')
>
> I had the same problem (with the coolant) on my '75 Spit.
> Changing the radiator cap fixed mine immediately! Apparently there is
> some mechanism in the cap that allows the
> fluid to be sucked back into the radiator when cool.
>
> Good luck!
> Glenn Bowley
> Mansfield, CT
> '75 Spit (FM30644U)
>
> > -----Original Message-----
> > From: Bollinger, Bob D. (BODB) [SMTP:BODB@chevron.com]
> > Sent: Monday, August 31, 1998 11:47 AM
> > To: 'spitfires@autox.team.net'
> > Subject: Rough Running and Coolant
> >
> > I have two things on my '79 Spit that I'd like to get the lists
> > thought's on.
> >
> > 1) the engine runs really rough for the first ten minutes before it
> > warms up then it runs good. By rough I mean that it's fine at idle,
> > but
> > when accelerating it seems to sputter at the higher rpms and not have
> > a
> > lot of power. Accelerating up a hill it really feels awful. The only
> > thing I can equate it to is when I start my weedeater and it's on half
> > choke which makes me think this is a choke issue. Any thoughts?
> >
> > 2) after getting back from a longer drive my coolant system will
> > consistently expel about a cup of coolant into the excess coolant
> > reservoir as it's supposed to. When the engine cools down it does not
> > suck this coolant back into the system as the manual says it's
> > supposed
> > to so I end up pouring some of the coolant in the reservoir back into
> > the system. When I look at the radiator cap I don't see how it would
> > allow fluid back into the system as it cools down. It just looks like
> > as the pressure decreases in the system that it would seat the
> > radiator
> > cap seal even more. Could this be a wrong radiator cap?
> >
> > Thanks in advance for your advice.
> >
> > Bob Bollinger
> > '79 Spitfire
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