1.8L + 1.8L combo is like 7.7:1 or so. (on 2.0L)

1.8L pistons + 2.0L rods is ~11:1 (on 2.0L)

i just never heard of anyone doing 2.0L pistons + 1.8L rods, interesting. but who knows what it would be compression wise on the 2.0L block.

probably SUPER low like 6.7-7:1 since the 1.8L pistons on 2.0L rods ADD compression in the 2.0L block.1.8L pistons must be taller or have a taller dome. no idea though.

 

^^^

Hi guys

my engine is 1.8.
so by just changing the pistons to 2.0L they have a lower raised section in the centre of the piston.

approx 8-1

I will gets some pics together soon
Cheers