> how do i get wider range on the delay clock dial,
> without changing the input cv scale
> are there any resistors limiting the range of the dial only

The delay clock dial should have an extremely wide range from the factory
(down to clearly audible clock noise and a "destroyed" sounding audio
output). The upper clock value is limited because of the max. clock
frequency for the BBD circuits (typ. 200 kHz).

Best wishes
Dieter Doepfer