hi guy this is my car i have a 2000 tc engine from fiat 132
and i want to tune it
i wanna ask about CR increase i tried to put regata 100s hi compression pistons but i cant find it here ,
so ... what can i do (i tried to cut the cylinder head 0.5mm i am asking for the disadvatages or the side effects )
thanx ... (and sorry for bad lang.)