Originally Posted by 220TC
Hi,
I have heard that the focus st170 engine is the best one to use for a ZVH conversion in a s2 erst, something to do with the pistons & rods allready fitted

anyone confirm this ?
Duncan
Are you nuts??? You are going to throw away the best part of the ST engine and replace it with a shitty cvh head???
If you ever do this i will have the St170 head of you!