sorry got the numbers switched around. the carbs are tied together (not progressive.) yes the motor did bog down when i set the back carb near the fire wall . on the front one it was ok .......funny i had on two 94s and they set ok on the same manifold? i do have the old needle and seat valve. the ones in the carbs now have a round ball at the end and holes all around maybe i should switch back to the old style as CarbKing suggested ??