I haven't yet tried the colortune with the ZS carbs on the Stag, but it worked
fabulously on my TR3.
"Radley, Jack" wrote:
> I have been getting messages bounced by the server, so I am going to try to
> recap my carb questions one more time to try to get some help from the list.
> I apologize if this is a duplication of earlier messages. Here goes:
> My car is a low mile (~8,300 miles) '76 TR6.
> At the suggestion of my mechanic, I had the carb's rebuilt (diaphragms,
> metering needles, etc.) to cure a lean condition. The problem I was having
> was a rough start pulling away from a stop. After the carb rebuild the
> first problem pretty much went away, but I had a new problem which was sort
> of rough running between 1500-2500 RPM (while cruising) once the car has
> warmed up.
> I went back to the mechanic and he began adjusting the idle trim (mixture)
> screw on the side of the carb above the temperature compensator. This had
> no real effect and doesn't seem to be the right adjustment.
> At the suggestion of the list, I have replaced my rotor, distributor cap and
> I have also tested my carbs my lifting the air valve 1/4 inch while it is
> idling. When I do this the car wants to stall. This again indicates a lean
> condition. My old spark plugs had indications of a lean condition as well.
> I plan to go back to my mechanic, but it seems that the adjustment my car
> needs is a mixture adjustment through the top of the dashpot using the ZS
> special tool. Any thoughts?
> I am tempted to take this one on myself by buying a carb adjustment tool and
> a colortune device. Any suggestions or experiences with my problems or
> doing it yourself?
> Jack Radley
The Wyvern - '57 TR3, TS15559L - http://www.merlingroupinc.com/tr3.htm
The Hippogrif - '71 Stag MKI, LE8176E - soon to get a site of it's own