Have you tried centring it with the jet fully up and the piston pressed
down?
PaulH.
----- Original Message -----
From: Phillips, Frank <fwp@ufl.edu>
To: <mgs@autox.team.net>
Sent: Tuesday, August 08, 2000 4:44 AM
Subject: SU carb problem, part III
> Greetings, again...
>
> Thanks for help so far, one more problem. I am now convinced that my
> remaining SU problem is jet centering with fixed needles, 68B with AUD
> 265's. I have cleaned that piston and dashpot repeatedly, they shine nice,
> it's to bad I'm the only one who will see them <g>. The piston passes the
> drop test and spins in the dashpot with no metal on metal sounds and,
> without the jet, rises and falls in place nicely. When the jet is fitted
> with the jet-locking nut loose it works fine. When I tighten the nut while
> holding the piston pressed down it always binds. It seems when the nut is
> turned it should wobble in the hole; the only thing holding it in place is
> the jet. In other words, as it is tightened it pushes against the needle
> thus causing the binding. So, how do I correct this? Could the jet bearing
> actually be sitting on an angle? Oh, almost forgot, I have used both the
new
> and old needles and jets.
>
> BTW the SU tool kit that MOSS sales sucks! The jet-centering tool does not
> fit into the piston or jet bearing holes, it's too big!
>
> Anyway, thanks for the help...
>
> Frank Phillips
> fwp@ufl.edu
> 1968 MGB - http://plaza.ufl.edu/fwp/mgb.htm
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