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Re: SU carb fuel flow

To: <N197TR4@cs.com>, <fot@autox.team.net>
Subject: Re: SU carb fuel flow
From: "R. Kastner" <kaskas@earthlink.net>
Date: Tue, 25 Jan 2000 15:03:55 -0800
By all means look at the vent cause that rings a big bell also.  Thinking
now I remember we had a pressure control on each carburetor. You know the
little ones with the dial.
----- Original Message -----
From: <N197TR4@cs.com>
To: <kaskas@earthlink.net>; <fot@autox.team.net>
Sent: Monday, January 24, 2000 9:08 PM
Subject: Re: SU carb fuel flow


> Wonderful!!!
>
> The first few years, the Strombergs were run as stock, right of the shelf,
as
> much of the rest of the car was...and still is.
>
> I, with my son, Sean will investigate the size of the seat and needles.
>
> Also, Sean made the velocity stacks from aluminum stock material and they
are
> subject to scrutiny & change. But his stacks are a testimonial to creative
> thinking and low budget.
>
> I sensed that the Stombergs were sensitive to float level...err on the
high
> side?  I keep the pressure at about 2.5 pounds, but looking for seats that
> will contain the gas the best....any recommendations? Much past 2.5# and
we
> leak gas past the seats.
>
> One last thing, does the vent hole caper apply to these early TR4
Strombergs?
>
> Kas, questions answered and more. I can now experiment a bit at my modest
> level of expertise, with some confidence.
>
> The Strombergs are almost a family heirloom as I have had them since
1969...
>  :-)
>
> Best regards,
>
> Joe Alexander
>
>
> Joe
>
>
>
> << We did not modify the Strombergs much, but they did give excellant
power.
>  We used them primarly on the GT-6 and made  186 real BHP at 8200 with
those
>  little 1.5" devils.  I did as said before enlarge the needle and seat
bore.
>  As I remember the main problem was getting float height to be high enough
to
>  flow the fuel and low enough to not flow over the jet tube bore.  Also I
>  remember the fuel pressure to be more particular with the Strombergs.
(lower
>  semed to be better) Also with the GT-6 engines I made we used a velocity
>  stack that added a nice little 6-8 bhp.  I would pull then off then push
>  them back into place on the engine dyno as the engine was revving away.
You
>  could see the needle drop a considerable amount when the stacks were
>  removed. Not the type as used on the Webers but with a much bigger flair
and
>  a nice rolled edge.  Probably didn't answer your question but .....there
you
>  are. >>
>


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