Heres the situation; 1.8 CVH sierra with a cracked piston, no-one lists new items anymore and changing the engine is just to much hassle + i may be able to get my hands on 1.8 Zetec pistons cheap/free.

Question is; what will happen if you mate 1.8 Zetec pistons in a 1.8CVH block with 1.8CVH head? - Will the Zetec pistons go in with CVH small end bearings/greadgin pin [sp?] and con rods ok? Will it run too low CR for n/a use? The bore sizes are under 1mm difference? - O/s rings?

thanking yous,..