I explain this in one of my early books. How to use an SU needle in a
Stromberg carb: The difference in the shank of each needle is .013". The SU
being the smaller. So I made a little tube out of .006" shim stock cut in half
length wise which left me a half tube. Fit the half tube around the needle
shank with the open side of the tube towards the grub screw which hold the
needle in position. You will never notice the .0005" differnce in the
diameters. I did this first in 1968 and works just as well today.
Never be beaten by equipment
> Date: Wed, 28 Mar 2012 14:21:25 -0500
> From: cartravel@pobox.com
> To: fot@autox.team.net
> Subject: Re: [Fot] Best Stromberg Carbs
>
> Is the shim stock used to make the diameter of the end larger? Please
> explain.
>
> There are lists and even a little Windows program for all the SU
> needles. Is similar data available for the Stromberg needles?
>
> I have reshaped SU needles as suggested. I made some that worked well
> and then ordered a matching set from Joe Curto.
> Thanks,
> Larry
>
> On 3/28/2012 7:10 AM, Joe Alexander wrote:
> > i think most folks know that SU needles can be used in Stromberg carbs
with
> > the use of shim stock.
> >
> > thought i would mention it, anyway.
> >
> > it provides a lot of choices
> >
> >
> >
> > Joe Alexander
> > A. R. E.
> > 645 1st Street
> > Jesup, Iowa 50648
> > 319.464.4711 (cell)
> > n197tr4@cs.com
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: Robert M. Lang<lang@isis.mit.edu>
> > To: gregmogdoc<gregmogdoc@surfnetusa.com>
> > Cc: fot<fot@autox.team.net>
> > Sent: Wed, Mar 28, 2012 6:58 am
> > Subject: Re: [Fot] Best Stromberg Carbs
> >
> >
> > Hi,
> >
> > Speaking of which - what needles are folks using in their TR6's with
> > Strombergs? I installed alternate needles a while back, and never wrote
> > down what they are. I'm pretty sure they're B1AR's from a Jag, but I
> > cannot confirm that (yet).
> >
> > In any case, these needles seem to be a tad rich and I need to confirm
> > that with a couple of chassis dyno runs.
> >
> > In the meantime, I'd appreciate any feedback on the matter.
> >
> > The following is an interesting article on replacing the fixed needles on
> > the early c cylinder federal spec. carbs (TR250 and early TR6):
> >
> > http://www.buckeyetriumphs.org/technical/Carbs/AdjNeedle/AdjNeedle.htm
> >
> > regards,
> > rml
> >
---------------------------------------------------------------------------
> > Bob Lang Triumph TR6!! | This space for rent
> > Former NER Solo Chair |
> > Voice:617-253-7438 | Cell: 339-927-4489
> >
---------------------------------------------------------------------------
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