Just abit on the carb bowl vibration. On the engine dyno I coiuld not dampen
the vibration of the float bowl at 5200 revs. So strong you cannotg believe it.
I put a can of water on the inlet manifold and it looked like white caps on
the surface of the water.
>
> From: "Dean Tetterton" <Richtr@erols.com>
> Date: 2005/05/04 Wed AM 07:48:21 EDT
> To: "Jack W. Drews" <vinttr4@geneseo.net>, <fot@autox.team.net>
> Subject: Re: float bowls on HS6 carbs
>
> Jack;
> I have broken off two float bowls on the HS6. Both times it tore
> out the side
> of the chamber. One on the front and one on the back. I was also having a
> miss at 5600 to
> 5800 RPM. I determined that it was the harmonics at that RPM causing the
> carbs to shake.
> The resulting froth in the gas caused the miss.
>
> I did two things to get rid of the problem. First I added a brace
> from the front carb
> at the intake, down to two bolts on the oil pan. Then I installed weber soft
> mounts under
> each HS6. This lets the carbs float on the intake. This was done two years
> ago with no
> more broken bowls or miss.
>
> Worked for me;
> Dean Tetterton
>
>
> ----- Original Message -----
> From: "Jack W. Drews" <vinttr4@geneseo.net>
> To: <fot@autox.team.net>
> Sent: Tuesday, May 03, 2005 10:01 PM
> Subject: float bowls on HS6 carbs
>
>
> > Sunday at the Mitty I came in from the race running on two cylinders. The
> > cause was that the single bolt holding the float chamber to the body of
> > one carb had fractured and the float chamber was hanging by the hoses.
> >
> > I've seen this happen on two other cars and both resulted in underhood
> > fires. Thank goodness I didn't have that, but I could have. I thought
> > those two incidents were too isolated to worry about. Wrongo.
> >
> > Has anybody else had this problem? If so, does anybody have a way to
> > prevent this, other than replacing the 40-year-old bolt?
> >
> > uncle jack
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