It seems the aftermarket gave up on the W-1 carb. The only way ive been able to get a kit for one is through the specialty supliers. There have been a lot of different configurations of needle & seats through the years but the tapered needle seams to be the old standby.

They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum