nick fiesta rs

iTrader: (1)

hi i have a frst i have just restored just getting it all ready for mot but i need a chip tried getting one from evolution chips they asked me wot mods and i told them which are 1.8zvh with beige injectors t3 turbo k&n scropian full system double cap intercooler uprated fuel pump then they said wot is the compression ratio is? i said i dont no? they then said we cant do it its to dangerous

can any one help?does any one no the ratio it has a decompression plate

really want to be driving it now been restoring it for 3 years now thanks nick