Re: [Chrysler300] FW: Chrysler carb question

["Laurence G. Johnson" <laurence_g_johnson@xxxx>]

A valve stem seal for a small block Chevy will serve as a replacement for 
the Thermoquad jet seals mentioned below. These are the rectangular section 
"O" rings that go inside the valve spring retainer in the second groove on 
the valve stem. These should be commom easy to find parts. Larry Johnson


> From: Herman Meiners <herman440@xxxx>
> To: Chrysler 300 Yahoo List Server <Chrysler300@xxxxxxxxxxxxxxx>
> Subject: Re: [Chrysler300] FW: Chrysler carb question
> Date: Mon, 08 Apr 2002 01:44:40 +0200
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> For those who also might have a Thermoquad carb on their engine too,
> I'll post this reply through the listserver. I hope you don't mind.
>
>
> The Thermoquad has long primary jets that go all the way to the bottom
> of the carb.
> There they are sealed with small rubber/nylon (?) O-rings to the basse
> of the phenolic-housing.
> Chances are that those are worn or flattened and are leaking fuel past
> them.
> > From the Moparts BulletinBoard I know someone who might have replacement
> O-rings for this.
> Here is his Website:
> http://www.geocities.com/thermoquads/index.htm
>
>
> Also a thermoquad has "glued on" little wells at the underside of the
> phenolic casting.
> These can get loose after 30+ years and need to be "re-glued".
> I believe JB-weld could be used for this if this was the case.
>
> Best regards,
> Herman Meiners
> The Netherlands
> http://drive.to/chrysler
>
>
>
>
>
>
>
> "NOWOSACKI,JOHN (A-USA,ex1)" wrote:
>
> >
> >
> > -----Original Message-----
> > From: NOWOSACKI,JOHN (A-USA,ex1)
> > Sent: Sunday, April 07, 2002 6:06 PM
> > To: Chrysler 300 Club Int'l Listserver
> > Subject: Chrysler carb question
> >
> >
> > Hi group,
> > I have a 74 Jensen Interceptor with a 440 and Thermoquad, so I'm
> > hoping to
> > get a little carb advice from the Chrysler community.
> > The car starts, runs, and idles perfectly.
> > The problem is that when I shut off the engine, gas continues to
> > dribble
> > into the primaries of the carb and really stinks- and I assume this is
> > also
> > dangerous. It does this for maybe 5 minutes- long enough for gas to
> > build
> > up in the carb and begin to drip out through the throttle plate
> > bushings
> > onto the hot intake!!
> > I removed the air horn of the carb, and the float levels appear
> > normal, so
> > it doesn't appear to be a stuck float situation. The gas is coming
> > from
> > either the idle ports or high speed ports (or both), not from the
> > accelerator pump jets.
> > Are some check balls stuck from sitting too long this winter?
> > For those unfamiliar with the Interceptor, it has no electric fuel
> > pump or
> > anything else foreign to the Chrysler drive train, which is why I'm
> > asking
> > for "Chrysler" help with this problem.
> > I don't mind doing a carb rebuild, just looking for advice as to what
> > may be
> > wrong so I don't miss it during the rebuild.
> > Thanks,
> > JOhn
> > 74 Jensen Int, 61 300G convt.
> >
> >




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