healeys
[Top] [All Lists]

[Healeys] First start

Subject: [Healeys] First start
From: pajtamuvek at gmail.com (Austin Healey)
Date: Fri, 1 Jul 2011 21:21:08 +0200
References: <BANLkTiknPUTqdZ8esfUGBoFwXkGBHK8-bg@mail.gmail.com> <4E9D161D2AF9984C94D841B0A0D5A1160E142E@dw01.ruda.local> <BANLkTinmO8Oj344JT-zumrX=x22XBTjezg@mail.gmail.com> <336593490-1309277829-cardhu_decombobulator_blackberry.rim.net-1588419017-@b3.c3.bise6.blackberry> <BANLkTim1TwV1M3LZsRZd=JCz16kvSXkrKQ@mail.gmail.com> <BANLkTinvN6SWcbqvxpqSFScnErR0qtp57g@mail.gmail.com> <BANLkTik46EmZXQZbOy2_8LwSWkZgSUAiCA@mail.gmail.com> <F9FD4537B2BD40BD9C39A4A097936E74@GregPC> <BANLkTimsBgmPn4x9YK=aTM7tAYP74cUJ0A@mail.gmail.com> <BANLkTinXhO=cr4QMQ3Bg=01zBb4v8VxcBg@mail.gmail.com> <BANLkTimtY05n7dUeKX+Mgueg8ZRRobm8EA@mail.gmail.com> <BANLkTi=4u-FvkU2vrJyRs1Ea=T6oKLcBCA@mail.gmail.com> <BANLkTinJ8w2Dx4aBOVBQhtGZMMC9+gdu9Q@mail.gmail.com> <BANLkTin0AEX=9XzU+miB07WL08jP4ANmWg@mail.gmail.com>
2011/7/1 Alan Seigrist <healey.nut at gmail.com>

> Gergo -
>
> The BN4 H4 carb has a two bolt mount which, if bolted too tight to the
> head, can introduce vacuum leaks in and around the gaskets and spacers
> and what not (too tight can result in warping of surfaces).
>
> The surfaces of all the various bits should be flat and clean, and the
> nuts tightened with 30ish ft-lbs of torque only.
>
> Check that ...
>
> Alan
>
> On 7/1/11, Austin Healey <pajtamuvek at gmail.com> wrote:
> > "It sounds to me like you have a vacuum leak somewhere.  Remind me,
> > what model/year do you have?"
> >
> > BN4 1958 - somehow skipped this question.
> >
> > 2011/6/30 Alan Seigrist <healey.nut at gmail.com>
> >
> >> It sounds to me like you have a vacuum leak somewhere.  Remind me,
> >> what model/year do you have?
> >>
> >> Alan
> >>
> >> On 6/30/11, Austin Healey <pajtamuvek at gmail.com> wrote:
> >> > Hi Alan,
> >> >
> >> > Thanks! The exhaust is clean. Also checked the plugs, they are clean
> and
> >> not
> >> > dark. The engines does not hesitates on acceleration, but has some
> >> roughness
> >> > below 2.5 if the throttle is held in position going on flat ground.
> >> Especial
> >> > can feel it is decelerating. Not that bad, but still present. The carb
> >> > is
> >> > very sensitive on the mixture adjustment. As small as 1/4 turn can
> make
> >> > difference in reading and feel. Not something I am used to on mini
> >> engines.
> >> > I have bought a set of different advance springs. Though the advance
> is
> >> > working (each), I will experiment with the different springs tomorow.
> >> >
> >> > Gergo
> >> >
> >> > 2011/6/29 Alan Seigrist <healey.nut at gmail.com>
> >> >
> >> >> Gergo -
> >> >>
> >> >> The trick is the exhaust should not have a "smell" and should not
> show
> >> >> smoke.  If it smells rich or shows smoke, the mixture is off.  Check
> >> >> timing and make sure advance weights are operating and vacuum advance
> >> >> lines are hooked up and operating.
> >> >>
> >> >> Let is know how it is going.
> >> >>
> >> >> Alan
> >> >>
> >> >>
> >> >> On 6/29/11, Austin Healey <pajtamuvek at gmail.com> wrote:
> >> >> > Thanks everybody for the knd words!
> >> >> > I did my first Healey-miles today. Tha car is running well soo far.
> A
> >> >> little
> >> >> > oil from the valve cover gasket and the oil filter case, but no
> >> horror.
> >> >> > After a few joyfull miles came the rain and stopped the fun. Such
> is
> >> >> life.
> >> >> > I have some questions though. When shall I retorque the head?
> >> >> > I have started to adjust the carbs with a WBO. Starange, but the
> car
> >> is
> >> >> not
> >> >> > realy willing to run on afr 1.47. For proper smooth running it
> needs
> >> >> > slightly rich mixture of about afr 12.5-13.5. Is it normal? If I
> >> weaken
> >> >> the
> >> >> > mixture it begings to run rough. I measure the afr at each downpipe
> >> just
> >> >> > below the manifold. The timing has little impact on it.
> >> >> >
> >> >> > Gergo
> >> >> >
> >> >> > PS: Healey forever.
> >> >> >
> >> >>
> >> >> --
> >> >> Sent from my mobile device
> >> >>
> >> >
> >>
> >> --
> >> Sent from my mobile device
> >>
> >
>
> --
> Sent from my mobile device

<Prev in Thread] Current Thread [Next in Thread>