Reply to "Weber jetting and float needle seat size"

MotoCarlo

Stan, when I did the "cooking with idf" upgrade from CB performance, the the kit came with different size needles and seats for the floats. So I changed them as recommended to work with the kit's "larger" venturi .
I only had moderate success with that rig and have given up on it. I have taken all that mess out and gone back to the original geometry for the carbs.

But this leaves me with a couple of different needle sizes and seats with no markings. I don't know which fits in the original 40 idf.
When I went to Pierce manifold to buy new needles and seats (along with the jets) for the IDFs, there were lots of different sizes. So ... which size ? - is my question.

5/28/196:40 AM

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