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Re: HIF overflow

To: "Paul Hunt (T)" <paul.hunt1@blueyonder.co.uk>
Subject: Re: HIF overflow
From: "MonteMorris" <mmorris@nemr.net>
Date: Sun, 28 Dec 2003 11:35:15 -0600
Paul,
I'll try this today. Both carbs do have new valves in them, so I'll try your
fuel pressurizing method first and if that doesn't work, put the old valves
back in. Are gross jets the way to go with HIF's?
Thanks and Happy New Year,
Monte

----- Original Message ----- 
From: "Paul Hunt (T)" <paul.hunt1@blueyonder.co.uk>
To: "MonteMorris" <mmorris@nemr.net>
Cc: "MG list" <mgs@autox.team.net>
Sent: Sunday, December 28, 2003 9:10 AM
Subject: Re: HIF overflow


> 'Fraid not.  But first disable the fuel pump and run the engine till the
> carbs empty, then reconnect the pump.  The resulting rush of fuel through
> the now wide-open valves can clear any debris that might be stuck in
there.
> But if the pump carries on clicking and fuel comes out immediately you
will
> have to remove them and the bottom cover to deal with the float and/or
> valve.  If, when reconnecting the pump, it fills the carbs and then stops
> and doesn't overflow, but does so again in a few days, it could be dirty
> fuel or again a bad valve.  I'd replace (or fit) a fuel line filter, flush
> it again, and see what happens.  If it happens again it must be the valve.
> The pump should click less than once every 30 secs with the ignition on
but
> the engine stopped.  You will have to give the carbs some time to fill up
> and overflow, maybe a minute or so, if there is just a very small weep
from
> the valve.
>
> I recently went through this on the HIFs on the V8, changing the valve on
> one that I had problems with a few years ago and had started doing it
again.
> It had no effect and when I took them off again I realised that the float
> was half full of fuel but I couldn't find the source of the leak even by
> squeezing or heating it.  I replaced the float and left the new valve in,
> and blow me if it didn't start leaking again a few weeks later.  This time
I
> refitted the 'old' valve, which obviously hadn't been faulty, and since
then
> all has been well.  The moral of the story being that even new parts may b
e
> faulty from the outset, or fail soon after fitting.
>
> PaulH.
>
> ----- Original Message -----
> From: "MonteMorris" <mmorris@nemr.net>
> To: "Paul Hunt (T)" <paul.hunt1@blueyonder.co.uk>
> Cc: "MG list" <mgs@autox.team.net>
> Sent: Sunday, December 28, 2003 1:42 AM
> Subject: Re: HIF overflow
>
>
> > Is there any way to check the float besides removing the HIF carbs
again?




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