Sorry guys by no means am i a mechanic....
jc whiney has two carbs listed how do i know which one i want.
Replaces all Solex-type 30 PICT-1, 2, 3 and 34 PICT-3, 4. For 1500 and 1600cc engines with idle cut-off valves. Comes with adapter plate that allows carbs to be mounted as a 34 PICT carb replacement.
and here is the disription for the other Replaces 34 PICT-3, 4. With idle cut-off switch.