Panicz_ wrote: 1. Does the Civic VIII 1.8 handle LPG well?
most engines tolerate LPG well when done wisely
Panicz_ wrote: 2. Is it worth using extra petrol injection to protect the valve seats?
it's worth it, it certainly won't hurt, it just can help
Panicz_ wrote: 3. Does this car have a standard broadband probe?
it seems to me that this model still has 4 wires
Panicz_ wrote: 4. Can I use VTEC frequently for LPG staples?
you just have to remember that LPG fuel is an alternative to savings, so in this case it is worth adding PB at high revolutions
Panicz_ wrote: 5. Is it possible to record the injection times-multiplier graph on the pen drive?
the entire driver settings can be saved to disk and later downloaded to a USB flash drive
As for the set itself, the reducer is at least average, I would also exchange the injectors for Hercules for this appropriate assembly and tuning.