Jakobi's reply to the original post should clear up your question.
#3 is only shown as an illustration of the seam. Read what he says in my copy below.
I hope this helps.
Jim
Quote:
Originally Posted by Jakobi
Pic 3 will be with the float just freeballing so that you can see the seam. The next one Pic 4, will be with the carb laying on an angle so that the float tang rests against the needle. If you flip the carb all the way upside down you'll notice it will fully depress the needle and you won't get a correct level either.
Thats the same as how I've set mine up. Just off level. The measurement is taken from the body to the lowest point of the float. About where the AL1 is printed on the body (between L and 1). Stock i think is around 6mm which puts the floats level across body. I moved to somewhere between 7 and 8mm (to compensate for the weird angle the GG carb sits at - tilted forwards).
Running similar jetting specs to the poster (42 N3CJ#2 172) I get over 100kms out of my 9.5L (1000ft+ 90F. 70%+RH)
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