Bottom of the groove should be even with bottom of piston; i.e. groove is
hidden. BTW, it makes a fairly significant
difference in mixture; I had mine wrong--top of groove at bottom of piston--and
when I 'fixed' it I had to readjust the
mixture, IIRC it took about a half-turn of the mixture screws.
re: "what is the best way to adjust the pin that fits the forked lever ...on
the throttle shaft?"
Not sure I understand this question, but the linkage from the shaft on the
manifold to the two throttle shafts is
adjustable. The carbs' shafts are independent, the key is to get them to both
lift the same, and that is accomplished by
loosening the screws that clamp the the pins which are inside the two
forks--maybe this is the question?--and adjust
until the airflow is the same off-idle (best done with a carb synchronizer like
UniSyn IMO).
Bob
On 7/19/2014 11:19 AM, Mitch wrote:
> Hello,
> B
> 1966 BJ8B HD8 carbs
> the jet needle I have has a groove in it.........................where should
> it be placed in the carb piston?.........bottom or top of groove flush with
> piston bottom?
> B
> also what is the best way to adjust the pin that fits the forked lever ...on
> the throttle shaft?
> B
> B
> Mitch
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--
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Bob Spidell San Jose, CA bspidell@comcast.net
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