Yes, me too..... & it does sound carb/inlet/vacuum/lean area to me.
Simon
-----Original Message-----
From: healeys-bounces@autox.team.net [mailto:healeys-bounces@autox.team.net]
On Behalf Of Ulla&Sven Ordell
Sent: 29 June 2010 20:13
To: 'Oudesluys'; 'Paul Leeks'
Cc: healeys@autox.team.net
Subject: Re: [Healeys] A bit of tuning advice
Paul
Good advice from Kees.
I would like to add; do the carb spindles moving in unison. Or is just one
carb doing the job once off idling. Been there.
Regards
Sven
Sweden
-----Ursprungligt meddelande-----
Fren: healeys-bounces@autox.team.net [mailto:healeys-bounces@autox.team.net]
Fvr Oudesluys
Skickat: den 29 juni 2010 20:33
Till: Paul Leeks
Kopia: healeys@autox.team.net
Dmne: Re: [Healeys] A bit of tuning advice
Paul,
A faulty valve/camshaft timing is higly unlikely unless someone messed
up things really bad when the engine was build up.
-Is your distributor OK, i.e. do the weights move freely and are the
proper springs fitted?
-Are all vacu|m lines connected?
-Are the carbs in order, proper damping with ATF or very light oil,
correct springs, no worn butterfly spindles?
-Are the correct needles and jets fitted to the carbs?
-Did you fit new sparkplug leads?
-Is the wiring of the electronic ignition connected up the right way?
-Did you check the mixture using a Colortune?
-Did you balance the carbs?
Most likely the mixture is to lean due to a leak somewhere.
Kees Oudesluijs
NL
Paul Leeks wrote:
> After having problems with the poor running of my BN4, I put an electronic
> ignition in the distributer (which was also overhauled) and rebuilt the
carbs
> using a carb kit. However, I still can't seem to get any power.
>
>
>
> I am pretty certain that the timing is right (having checked it with a
timing
> gun), all the electric connections (plugs, cables, etc.) seem to be sound
and
> I cannot identify any specific problems with the carbs (ie leaks around
the
> inlet manifold, etc.).
>
>
>
> So I think the trouble is with the setting of the carbs, but I have been
up
> and down the adjustment nuts (rich to lean and back again) without any
> success.
>
>
>
> The symptoms are ... a smooth idle, smooth but very sluggish pick-up on
> acceleration accompanied by a loud machine-gun type rat-ta-tat-tat!
>
>
>
> Any ideas?
>
>
>
> Thanks
>
>
>
> Paul Leeks
>
> Lancashire
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