Apart from the HSs having nuts and the HIFs having screws the procedure is
much the same - to get to the mixture starting point bring the jets up to
*flush with the bridge* (not all the way up) then down two turns of either
nuts (i.e. 12 flats) or screws.
PaulH.
----- Original Message -----
From: David Councill <dcouncil@imt.net>
To: Paul Hunt <paul.hunt1@virgin.net>; <mgs@autox.team.net>
Sent: Saturday, April 01, 2000 5:49 PM
Subject: Re: help with diagnosing carb settings?
> My original reply, quoted below Paul's reply, is hopefully not too far
> offbase. My carb experience, although extensive, applies mainly to the HS4
> carbs and not the HIF series. Bill's original problem was with the HIF
> carbs and in my haste I did not take this in account. Instead of the nuts,
> there is a jet adjusting screw on each carb.
>
> Thus, the steps will be a bit different but I'd still check float height
> and fuel mixture settings. Perhaps one of you HIF guys can detail out the
> steps better - Bill says he'll be checking the carbs out today.
>
> David
> 67 BGT
> 71 BGT
>
> At 04:32 PM 4/1/00 +0100, Paul Hunt wrote:
> >Paraphrasing the Workshop Manual - "turn the nuts up untill the top of
the
> >jet is flush with the bridge, then turn down 12 flats".
> >
> >PaulH.
> >
> >----- Original Message -----
> >From: David Councill <dcouncil@imt.net>
> >To: <mgs@autox.team.net>
> >Sent: Friday, March 31, 2000 7:04 PM
> >Subject: Re: help with diagnosing carb settings?
> >
> >
> > > Sounds like fuel starvation. Check float bowls. May need to adjust
them to
> > > allow more fuel into the bowls. Also check jets to make sure mixture
is
> >set
> > > right. Initial setting is "12 flats" - turn the nuts all the way up
and
> > > then loosen 12 spots on the nuts which I believe is two full rotations
> >out.
> > >
> > > David
> > > 67 BGT
> > > 71 BGT
> > >
> > > At 12:22 PM 3/31/2000 -0500, you wrote:
> > > >So I replaced a ZSin a 76B with dual HIF's and the engine started.
That
> >is
> > > >a good start but it is not good enough to drive. Here is a symptom
that I
> > > >don't understand and could use advice.
> > > >
> > > >i) The car starts fine.
> > > >ii) Driving in 1st & 2nd, <2200 or so RPM, no problems that I am
aware.
> > > >iii) When I go into 3rd and rev up to about 3000, the car starts
> > > >hickuping(?) and sputtering and jerking.
> > > >iv) Into 4th, the RPM goes down (good!) and the car smooths out until
the
> > > >RPM go up with speed.
> > > >
> > > >Being the 1st timer with tuning, I could use any suggestions about
what
> >to
> > > >look at and where to change settings.
> > > >
> > > >TIA,
> > > >
> > > >Bill
> > >
>
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