Convolution Pre-delay "issue" - thoughts .

[lalalandsynth]

So , I always get clicks when using the convolution pre-delay in realtime.
I thought I would try to just add a normal delay in front of the WET path on my reverb , also tried POST and just delaying the whole reverb but it does not sound the same at all.

When using the pre-delay on the convolution itself its kind of "smooth " while using a delay for Pre-Delay is more of a distinct delay ?
What am I missing here ?

Also , using a delay at 100ms sounds more like the max 200 ms setting on the convolution verb.
Setting a delay at 200 and you get a very distinct delay, while its somehow much "Smoother" on the pre-delay on the conv.