Jerry,
One thing I'v experienced with the Offy 2x1 intakes and others is the flanges need to be squared up by lightly block sanding and also the heat insulators to reduce the chance of a vacuum leak. Maybe that was contributing to the rough idle with that one carb you were experiencing?


"Drugs are money, money is power, power is security." - Kent Heiner
Nedrow population 2212
Carbon footprint family of 2/11 tonnes of CO2/yr