Not all of these carbs are adjustable that way. Earlier ones had the
adjustment on the bottom, middle ones were non adjustable and later ones
were adjsutable from the top. If you have one of the latter two you can
tell which by looking at the dashpot tube. The place you put the oil. The
tube will have two notches if it is adjustable from the top. No notches,
not adjustable. At least that is what I have observed.
Sam
At 01:22 PM 10/20/1998 -0400, Trmgafun@aol.com wrote:
>
>In a message dated 98-10-20 12:29:50 EDT, you write:
>
><< Yep, if they are stock 70 carb's they ain't no way no how adjustable, but
> they do wear. When that happens they will tend to run rich, although it
> shouldn't be enough to cause soot unless worn an AWFUL lot. The needle
> itself is a spring loaded item, biased toward the throttle side, and as
> such wears the needle and corresponding jet oval. The only cure is
> replacement of both, or the carb's, if that's truly the cause. Might check
> to see if the choke is hanging up, or not closing all the way causing an
> over rich mixture, and are the float levels are correct? Also, is the
> exhaust stock, exiting out the right side rear or something custom,
> directly exiting the vehicles rear and center? If it's the latter, no
> amount of tuning rich/lean, will prevent a buildup of crud on the back of
> the car -
>
> Barry Schwartz (San Diego) bschwart@pacbell.net
>
> 72 V6 Spitfire (daily driver)
> 70 GT6+ (when I don't drive the Spit)
> 70 Spitfire (someday soon back on the road)
> >>
>Barry,
>
>Isn't there a special tool that fits down inside the dashpot hole for
>adjusting the jet? I used this tool on my '72 GT6 when it was too rich and I
>couldn't seem to get the mixture lean enough. It changed the "range" of the
>mixture adjustment. You turn it clockwise or the counterclockwise, depending
>on whether you need to go toward the leaner range, or the richer adjustment
>range. This was done in hopes that the owners wouldn't be able to monkey with
>the detuned engines.
>
>I still have the tool somewhere.....
>
>Scott Helms
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