there is loads of guides on the net just google ZVH, read a couple as iv found loads that say diffrent things . you running N/A or boosted?

1 thing i would say is make use you get the right head gasket as i got one that said it would work and it over lapped the bores!

http://www.zvh-build.co.uk/online_re.../build_zvh.htm

i have just finished building my boosted 2.1 ZVH, so can help with some little bits and pics if you need them. just PM me