Lost Sync Reason 2 - MS2 depending of sparks

[DOISP]

Hello all,

I'm having lost sync issues reason 2 on my MS2 I have detected this is happening depend on the spark plugs.

both spark plugs are with Resistors, but one set of them is very colder.
The angle was settled with a light lamp

I could see in logs how the RPM drops down and then come up again, the engine is running fine, isn't starting also is not missfiring.

I have attached configuration and logs.

Today I will try to move the R52 counter wise, to see if the signal is better.

Thanks in advance.