Hi Alex
My BT7 has HS8 carbs ex XJ6 Jag so we were flying fairly blind as regards
needles (biased needles with 100 jets).
We used a Snap-On exhaust gas analyser which has a pickup and a rubber hose
which we fixed in the exhaust pipe and ran the hose back to the cockpit.Went
for 20km(12 mile) drive and worked perfectly, gave us A/F ratio (good) as
well as CO (CO2?) levels (which I dont care about)
John Rowe Qld Australia
BN1 BT7
> Hi Tom:
>
> No, I have not tried that.
>
> I do know that the thermistor beads are tiny. In fact, they're very tiny,
> and it wouldn't surprise me if they were to fail under continuous high
> temperature usage. For the moment, I'm happy to set the idle mixture on my
> big Healey and my MG TC, and let the needle profiles handle the at-speed
> under-load mix.
>
> == Alex in Maine
> "The Blue Mainie," 1960 Austin Healey 3000 BT7
> "Conkling," 1946 MG TC #1321
> Former owner 1957 A-H 100-6, 1967 A-H BJ8,
> 1965 MG Midget
> http://users.adelphia.net/~alexmm/ai2q.htm
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