I've got a 16v alfa engine hence 4 cams. there is no haynes manual for it so I wondered if anyone could help me out. How do you set the cams to the crank so its right?

is it the twin spark engine,4 pot or V6?either way you need special tools.
www.alfaowner.com is a good site for alfa info

Normally with most 16v engines the cams are timed at half stroke with No1 cylinder on the compressionstroke, but never worked on a Sud or 33 engine apart from normal servicing as they never went wrong before the body died.