Look very carefully at the little 'piston' at
the end of the damper rod. The free floating collar
on them are different lengths on different
model carbs. You may have two different clearances
of the ring vs. the rod.
Paul Tegler
ptegler@cablespeed.com
www.teglerizer.com
----- Original Message -----
From: "Scott Tilton" <sdtilton@yahoo.com>
To: "BOB KRAMER" <rgk@flash.net>
Cc: <triumphs@autox.team.net>
Sent: Tuesday, January 15, 2002 11:41 AM
Subject: Re: TR-4 Stromberg Piston update (long)
> Hey Bob . . (et all)
>
> Thanks for the reply . . those sound like good techniques.
>
> I might want to clairfy the symptoms.
>
> I haven't swapped the "pistons" meaning the air-valve diaphragm assembly.
>
> They seem to move up and down in their carb bodies just fine.
>
> When I install the dampers (the little rods that screws in the top of the
> carbs) . . . then one carb has more resistance to in the air valve piston
> moving upwards.
>
> It doesn' matter if I swap the dampers (little rod that screws in the top)
> between carbs .. . the rear carb always has the harder piston to move.
>
> The restricted movement is most defintely related to dampening effect and
not
> the air valve or the needle dragging on anything.
>
> Thanks for your replies.
>
> Scott
> --- BOB KRAMER <rgk@flash.net> wrote:
> > I haven't paid any attention to this thread so forgive me if I cover old
> > ground. If the pistons are doing the same thing after swapping, i.e.;
when
> > you moved the piston the problem moved, than check to see if the needle
is
> > straight. You can also wipe a little lithium grease inside the bore as a
> > telltale to see if the piston is rubbing. If you find it cocks to one
side
> > diagonally when lifted, it may be too small.
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