Over 20 yeas of trying to get more out of the stock S.U.'s I found that the
time spent in most cases was a total loss. Thinning the butterflies does
help a bit but anything else other than velocity stacks has just been pure
anguish. My tests were of the back to back variety on a properly registered
and calibrated engine dyno.
----- Original Message -----
From: <WEmery7451@aol.com>
To: <johnkipping@inet.net.nz>; <whitedog72@hotmail.com>;
<fot@autox.team.net>
Sent: Wednesday, May 15, 2002 8:34 AM
Subject: Re: SU carb mods
> In a message dated 5/13/02 3:11:53 PM Pacific Daylight Time,
> johnkipping@inet.net.nz writes:
>
> << I have a friend who runs a GP Spitfire. The car is set up nicely with
a
> > great suspesion and a good engine. I have been crewing with him for the
> last
> > year and the more I know the car the more I think he needs to have his
> carbs
> > modified. I cannot find anything that shows me his carbs have been
> modified.
> > I think they are totally stock. I have the ability to modify them and I
am
> > looking for some advice on what to do.
> > Any takers?
> > Andy
> > 97% complete E-prod GT6
> > >>
>
> Jack Wheeler had the TR-4 SU carbs tested by Dick Stockten (sp?), and
> concluded that the stock setup is the best. Jack told me that his carbs
were
> totally stock when he won the run-offs at Mid Ohio.
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